18472264 has 16 divisors (see below), whose sum is σ = 35204220. Its totient is φ = 9084480.

The previous prime is 18472261. The next prime is 18472291. The reversal of 18472264 is 46227481.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11492100 + 6980164 = 3390^2 + 2642^2 .

It is not an unprimeable number, because it can be changed into a prime (18472261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18439 + ... + 19414.

Almost surely, 2^18472264 is an apocalyptic number.

It is an amenable number.

18472264 is a deficient number, since it is larger than the sum of its proper divisors (16731956).

18472264 is a wasteful number, since it uses less digits than its factorization.

18472264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37920 (or 37916 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 18472264 is about 4297.9371796247. The cubic root of 18472264 is about 264.3463849302.

The spelling of 18472264 in words is "eighteen million, four hundred seventy-two thousand, two hundred sixty-four".