74312764 has 12 divisors (see below), whose sum is σ = 130263784. Its totient is φ = 37094544.

The previous prime is 74312753. The next prime is 74312779. The reversal of 74312764 is 46721347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12702 + ... + 17605.

Almost surely, 2^74312764 is an apocalyptic number.

It is an amenable number.

74312764 is a deficient number, since it is larger than the sum of its proper divisors (55951020).

74312764 is a wasteful number, since it uses less digits than its factorization.

74312764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30924 (or 30922 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 74312764 is about 8620.4851371602. The cubic root of 74312764 is about 420.4242953329.

It can be divided in two parts, 74312 and 764, that added together give a square (75076 = 274²).

The spelling of 74312764 in words is "seventy-four million, three hundred twelve thousand, seven hundred sixty-four".