18474572 has 12 divisors (see below), whose sum is σ = 33018720. Its totient is φ = 9040656.

The previous prime is 18474557. The next prime is 18474601. The reversal of 18474572 is 27547481.

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, 48947 + ... + 49322.

It is an arithmetic number, because the mean of its divisors is an integer number (2751560).

Almost surely, 2^18474572 is an apocalyptic number.

It is an amenable number.

18474572 is a deficient number, since it is larger than the sum of its proper divisors (14544148).

18474572 is a wasteful number, since it uses less digits than its factorization.

18474572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98320 (or 98318 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 18474572 is about 4298.2056721381. The cubic root of 18474572 is about 264.3573939768.

The spelling of 18474572 in words is "eighteen million, four hundred seventy-four thousand, five hundred seventy-two".