30930572 has 12 divisors (see below), whose sum is σ = 54366480. Its totient is φ = 15397296.

The previous prime is 30930553. The next prime is 30930583. The reversal of 30930572 is 27503903.

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, 15968 + ... + 17799.

It is an arithmetic number, because the mean of its divisors is an integer number (4530540).

Almost surely, 2^30930572 is an apocalyptic number.

It is an amenable number.

30930572 is a deficient number, since it is larger than the sum of its proper divisors (23435908).

30930572 is a wasteful number, since it uses less digits than its factorization.

30930572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34000 (or 33998 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 30930572 is about 5561.5260495659. The cubic root of 30930572 is about 313.9033740579.

The spelling of 30930572 in words is "thirty million, nine hundred thirty thousand, five hundred seventy-two".