18675375 has 16 divisors (see below), whose sum is σ = 31076448. Its totient is φ = 9960000.

The previous prime is 18675359. The next prime is 18675383. The reversal of 18675375 is 57357681.

It is not a de Polignac number, because 18675375 - 2⁴ = 18675359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24526 + ... + 25275.

It is an arithmetic number, because the mean of its divisors is an integer number (1942278).

Almost surely, 2^18675375 is an apocalyptic number.

18675375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18675375 is a deficient number, since it is larger than the sum of its proper divisors (12401073).

18675375 is an equidigital number, since it uses as much as digits as its factorization.

18675375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49819 (or 49809 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 18675375 is about 4321.5014751820. The cubic root of 18675375 is about 265.3117252520.

The spelling of 18675375 in words is "eighteen million, six hundred seventy-five thousand, three hundred seventy-five".