74633920 has 28 divisors (see below), whose sum is σ = 177722784. Its totient is φ = 29853440.

The previous prime is 74633917. The next prime is 74633941. The reversal of 74633920 is 2933647.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116296 + ... + 116935.

Almost surely, 2^74633920 is an apocalyptic number.

It is an amenable number.

74633920 is an abundant number, since it is smaller than the sum of its proper divisors (103088864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74633920 is a wasteful number, since it uses less digits than its factorization.

74633920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233248 (or 233238 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 74633920 is about 8639.0925449378. The cubic root of 74633920 is about 421.0290714010.

The spelling of 74633920 in words is "seventy-four million, six hundred thirty-three thousand, nine hundred twenty".