30882172 has 12 divisors (see below), whose sum is σ = 54126856. Its totient is φ = 15417360.

The previous prime is 30882167. The next prime is 30882191. The reversal of 30882172 is 27128803.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2823 + ... + 8350.

Almost surely, 2^30882172 is an apocalyptic number.

It is an amenable number.

30882172 is a deficient number, since it is larger than the sum of its proper divisors (23244684).

30882172 is a wasteful number, since it uses less digits than its factorization.

30882172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11868 (or 11866 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 30882172 is about 5557.1730223199. The cubic root of 30882172 is about 313.7395571198.

The spelling of 30882172 in words is "thirty million, eight hundred eighty-two thousand, one hundred seventy-two".