30640504 has 16 divisors (see below), whose sum is σ = 57774600. Its totient is φ = 15233952.

The previous prime is 30640481. The next prime is 30640513. The reversal of 30640504 is 40504603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9267 + ... + 12130.

Almost surely, 2^30640504 is an apocalyptic number.

It is an amenable number.

30640504 is a deficient number, since it is larger than the sum of its proper divisors (27134096).

30640504 is a wasteful number, since it uses less digits than its factorization.

30640504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21582 (or 21578 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30640504 is about 5535.3865267025. The cubic root of 30640504 is about 312.9190248736.

The spelling of 30640504 in words is "thirty million, six hundred forty thousand, five hundred four".