30792144 has 40 divisors (see below), whose sum is σ = 81244800. Its totient is φ = 10044928.

The previous prime is 30792137. The next prime is 30792163. The reversal of 30792144 is 44129703.

It is a happy number.

It is a super-2 number, since 2×30792144² = 1896312264233472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4569 + ... + 9080.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^30792144 is an apocalyptic number.

It is an amenable number.

30792144 is an abundant number, since it is smaller than the sum of its proper divisors (50452656).

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

30792144 is a wasteful number, since it uses less digits than its factorization.

30792144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13707 (or 13701 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 30792144 is about 5549.0669485960. The cubic root of 30792144 is about 313.4343882085.

The spelling of 30792144 in words is "thirty million, seven hundred ninety-two thousand, one hundred forty-four".