18572992 has 28 divisors (see below), whose sum is σ = 38130480. Its totient is φ = 8965376.

The previous prime is 18572987. The next prime is 18573043. The reversal of 18572992 is 29927581.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3148 + ... + 6859.

Almost surely, 2^18572992 is an apocalyptic number.

It is an amenable number.

18572992 is an abundant number, since it is smaller than the sum of its proper divisors (19557488).

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

18572992 is a wasteful number, since it uses less digits than its factorization.

18572992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048 (or 10038 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 18572992 is about 4309.6394280728. The cubic root of 18572992 is about 264.8260018339.

The spelling of 18572992 in words is "eighteen million, five hundred seventy-two thousand, nine hundred ninety-two".