18572932 has 12 divisors (see below), whose sum is σ = 37145920. Its totient is φ = 7959816.

The previous prime is 18572921. The next prime is 18572933. The reversal of 18572932 is 23927581.

18572932 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18572891 and 18572900.

It is not an unprimeable number, because it can be changed into a prime (18572933) by changing a digit.

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, 331632 + ... + 331687.

Almost surely, 2^18572932 is an apocalyptic number.

It is an amenable number.

18572932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18572932 is a wasteful number, since it uses less digits than its factorization.

18572932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663330 (or 663328 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 18572932 is about 4309.6324669280. The cubic root of 18572932 is about 264.8257166604.

It can be divided in two parts, 185729 and 32, that added together give a square (185761 = 431²).

The spelling of 18572932 in words is "eighteen million, five hundred seventy-two thousand, nine hundred thirty-two".