30520604 has 12 divisors (see below), whose sum is σ = 53647944. Its totient is φ = 15192624.

The previous prime is 30520601. The next prime is 30520613. The reversal of 30520604 is 40602503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520601) by changing a digit.

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, 15899 + ... + 17714.

It is an arithmetic number, because the mean of its divisors is an integer number (4470662).

Almost surely, 2^30520604 is an apocalyptic number.

It is an amenable number.

30520604 is a deficient number, since it is larger than the sum of its proper divisors (23127340).

30520604 is a wasteful number, since it uses less digits than its factorization.

30520604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33844 (or 33842 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30520604 is about 5524.5455921732. The cubic root of 30520604 is about 312.5103279787.

The spelling of 30520604 in words is "thirty million, five hundred twenty thousand, six hundred four".