30605572 has 12 divisors (see below), whose sum is σ = 53616640. Its totient is φ = 15286536.

The previous prime is 30605569. The next prime is 30605579. The reversal of 30605572 is 27550603.

It is a self number, because there is not a number n which added to its sum of digits gives 30605572.

It is not an unprimeable number, because it can be changed into a prime (30605579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829 + ... + 7867.

Almost surely, 2^30605572 is an apocalyptic number.

It is an amenable number.

30605572 is a deficient number, since it is larger than the sum of its proper divisors (23011068).

30605572 is a wasteful number, since it uses less digits than its factorization.

30605572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 30605572 is about 5532.2302916636. The cubic root of 30605572 is about 312.8000642111.

The spelling of 30605572 in words is "thirty million, six hundred five thousand, five hundred seventy-two".