74 (number)

74 (seventy-four) is a natural number following 73 and preceding 75

In mathematics

74 is:

the twenty-first distinct semiprime^[1] and the eleventh of the form (2.q), where q is a higher prime.
with an aliquot sum of 40, within an aliquot sequence of three composite numbers (74, 40, 50, 43, 1,0) to the Prime in the 43-aliquot tree.
a palindromic number in bases 6 (202₆) and 36 (22₃₆).
a nontotient.^[2]
the number of collections of subsets of {1, 2, 3} that are closed under union and intersection.^[3]
φ(74) = φ(σ(74)).^[4]

There are 74 different non-Hamiltonian polyhedra with a minimum number of vertices.^[5]

Seventy-four, one of the Number Pieces by John Cage
"Seventy-Four", a song by the American band Bright from the album The Albatross Guest House

Seventy-four is also:

The year AD 74, 74 BC, or 1974
Designates the 7400 series of Integrated Chips. 74xx xx=00-4538
A seventy-four was a third-rate warship with 74 guns.
The registry of the U.S. Navy's nuclear aircraft carrier USS John C. Stennis (CVN-74), named after U.S. Senator John C. Stennis
A hurricane or typhoon is a system with sustained winds of at least 74 mph (64 knots).
The number of the French department Haute-Savoie
In the Bible it is the number of people that were in the presence of God on Mount Sinai and saw God without dying
74 is the score made by Sachin Tendulkar, who is considered as God of Cricket, in his last test match inning in Wankhede Stadium in 2013.