30752904 has 64 divisors (see below), whose sum is σ = 94631040. Its totient is φ = 8110080.

The previous prime is 30752903. The next prime is 30752927. The reversal of 30752904 is 40925703.

It is a super-2 number, since 2×30752904² = 1891482208866432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30752903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4857 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (1478610).

Almost surely, 2^30752904 is an apocalyptic number.

It is an amenable number.

30752904 is an abundant number, since it is smaller than the sum of its proper divisors (63878136).

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

30752904 is a wasteful number, since it uses less digits than its factorization.

30752904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14110 (or 14106 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 30752904 is about 5545.5300918848. The cubic root of 30752904 is about 313.3011898016.

The spelling of 30752904 in words is "thirty million, seven hundred fifty-two thousand, nine hundred four".