30075172 has 12 divisors (see below), whose sum is σ = 52743040. Its totient is φ = 15005736.

The previous prime is 30075169. The next prime is 30075173. The reversal of 30075172 is 27157003.

It is not an unprimeable number, because it can be changed into a prime (30075173) 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, 5772 + ... + 9667.

Almost surely, 2^30075172 is an apocalyptic number.

It is an amenable number.

30075172 is a deficient number, since it is larger than the sum of its proper divisors (22667868).

30075172 is a wasteful number, since it uses less digits than its factorization.

30075172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930 (or 15928 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 30075172 is about 5484.0835150461. The cubic root of 30075172 is about 310.9825639946.

The spelling of 30075172 in words is "thirty million, seventy-five thousand, one hundred seventy-two".