18364375 has 10 divisors (see below), whose sum is σ = 22948904. Its totient is φ = 14691000.

The previous prime is 18364343. The next prime is 18364387. The reversal of 18364375 is 57346381.

It is not a de Polignac number, because 18364375 - 2⁵ = 18364343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14067 + ... + 15316.

Almost surely, 2^18364375 is an apocalyptic number.

18364375 is a deficient number, since it is larger than the sum of its proper divisors (4584529).

18364375 is an frugal number, since it uses more digits than its factorization.

18364375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29403 (or 29388 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 18364375 is about 4285.3675454971. The cubic root of 18364375 is about 263.8307330551.

The spelling of 18364375 in words is "eighteen million, three hundred sixty-four thousand, three hundred seventy-five".