74905928 has 16 divisors (see below), whose sum is σ = 142830000. Its totient is φ = 36817936.

The previous prime is 74905913. The next prime is 74905937. The reversal of 74905928 is 82950947.

It is a happy number.

It is a super-2 number, since 2×74905928² = 11221796099082368, which contains 22 as substring.

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, 78878 + ... + 79821.

It is an arithmetic number, because the mean of its divisors is an integer number (8926875).

Almost surely, 2^74905928 is an apocalyptic number.

It is an amenable number.

74905928 is a deficient number, since it is larger than the sum of its proper divisors (67924072).

74905928 is a wasteful number, since it uses less digits than its factorization.

74905928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158764 (or 158760 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 74905928 is about 8654.8210842281. The cubic root of 74905928 is about 421.5399402195.

The spelling of 74905928 in words is "seventy-four million, nine hundred five thousand, nine hundred twenty-eight".