30734812 has 12 divisors (see below), whose sum is σ = 53982040. Its totient is φ = 15311376.

The previous prime is 30734807. The next prime is 30734813. The reversal of 30734812 is 21843703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30734813) 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, 12762 + ... + 14977.

Almost surely, 2^30734812 is an apocalyptic number.

It is an amenable number.

30734812 is a deficient number, since it is larger than the sum of its proper divisors (23247228).

30734812 is a wasteful number, since it uses less digits than its factorization.

30734812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28020 (or 28018 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30734812 is about 5543.8986282218. The cubic root of 30734812 is about 313.2397391601.

The spelling of 30734812 in words is "thirty million, seven hundred thirty-four thousand, eight hundred twelve".