30974152 has 32 divisors (see below), whose sum is σ = 63571680. Its totient is φ = 14031360.

The previous prime is 30974149. The next prime is 30974159. The reversal of 30974152 is 25147903.

It is not an unprimeable number, because it can be changed into a prime (30974159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45688 + ... + 46360.

It is an arithmetic number, because the mean of its divisors is an integer number (1986615).

Almost surely, 2^30974152 is an apocalyptic number.

It is an amenable number.

30974152 is an abundant number, since it is smaller than the sum of its proper divisors (32597528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30974152 is a wasteful number, since it uses less digits than its factorization.

30974152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 30974152 is about 5565.4426598430. The cubic root of 30974152 is about 314.0507308461.

The spelling of 30974152 in words is "thirty million, nine hundred seventy-four thousand, one hundred fifty-two".