30307912 has 16 divisors (see below), whose sum is σ = 57628800. Its totient is φ = 14940240.

The previous prime is 30307909. The next prime is 30307931. The reversal of 30307912 is 21970303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26112 + ... + 27247.

It is an arithmetic number, because the mean of its divisors is an integer number (3601800).

Almost surely, 2^30307912 is an apocalyptic number.

It is an amenable number.

30307912 is a deficient number, since it is larger than the sum of its proper divisors (27320888).

30307912 is a wasteful number, since it uses less digits than its factorization.

30307912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53436 (or 53432 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30307912 is about 5505.2622099224. The cubic root of 30307912 is about 311.7826943990.

The spelling of 30307912 in words is "thirty million, three hundred seven thousand, nine hundred twelve".