30427912 has 16 divisors (see below), whose sum is σ = 58594860. Its totient is φ = 14802624.

The previous prime is 30427907. The next prime is 30427913. The reversal of 30427912 is 21972403.

It can be written as a sum of positive squares in 2 ways, for example, as 30404196 + 23716 = 5514^2 + 154^2 .

It is not an unprimeable number, because it can be changed into a prime (30427913) 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, 51103 + ... + 51694.

Almost surely, 2^30427912 is an apocalyptic number.

It is an amenable number.

30427912 is a deficient number, since it is larger than the sum of its proper divisors (28166948).

30427912 is a wasteful number, since it uses less digits than its factorization.

30427912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102840 (or 102836 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 30427912 is about 5516.1501067320. The cubic root of 30427912 is about 312.1936393830.

The spelling of 30427912 in words is "thirty million, four hundred twenty-seven thousand, nine hundred twelve".