30382972 has 12 divisors (see below), whose sum is σ = 53589760. Its totient is φ = 15071616.

The previous prime is 30382969. The next prime is 30382991. The reversal of 30382972 is 27928303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29397 + ... + 30412.

Almost surely, 2^30382972 is an apocalyptic number.

It is an amenable number.

30382972 is a deficient number, since it is larger than the sum of its proper divisors (23206788).

30382972 is a wasteful number, since it uses less digits than its factorization.

30382972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59940 (or 59938 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 30382972 is about 5512.0751083417. The cubic root of 30382972 is about 312.0398672483.

The spelling of 30382972 in words is "thirty million, three hundred eighty-two thousand, nine hundred seventy-two".