18372364 has 12 divisors (see below), whose sum is σ = 32697000. Its totient is φ = 9030368.

The previous prime is 18372337. The next prime is 18372371. The reversal of 18372364 is 46327381.

It is a happy number.

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, 38689 + ... + 39160.

It is an arithmetic number, because the mean of its divisors is an integer number (2724750).

Almost surely, 2^18372364 is an apocalyptic number.

It is an amenable number.

18372364 is a deficient number, since it is larger than the sum of its proper divisors (14324636).

18372364 is a wasteful number, since it uses less digits than its factorization.

18372364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77912 (or 77910 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 18372364 is about 4286.2995695588. The cubic root of 18372364 is about 263.8689853444.

The spelling of 18372364 in words is "eighteen million, three hundred seventy-two thousand, three hundred sixty-four".