30739312 has 20 divisors (see below), whose sum is σ = 59895720. Its totient is φ = 15282368.

The previous prime is 30739307. The next prime is 30739361. The reversal of 30739312 is 21393703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503 + ... + 8230.

It is an arithmetic number, because the mean of its divisors is an integer number (2994786).

Almost surely, 2^30739312 is an apocalyptic number.

It is an amenable number.

30739312 is a deficient number, since it is larger than the sum of its proper divisors (29156408).

30739312 is a wasteful number, since it uses less digits than its factorization.

30739312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920 (or 10914 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 30739312 is about 5544.3044649442. The cubic root of 30739312 is about 313.2550259521.

The spelling of 30739312 in words is "thirty million, seven hundred thirty-nine thousand, three hundred twelve".