18065375 has 16 divisors (see below), whose sum is σ = 23076768. Its totient is φ = 14112000.

The previous prime is 18065357. The next prime is 18065381. The reversal of 18065375 is 57356081.

It is not a de Polignac number, because 18065375 - 2¹⁸ = 17803231 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 3695 + ... + 7055.

It is an arithmetic number, because the mean of its divisors is an integer number (1442298).

Almost surely, 2^18065375 is an apocalyptic number.

18065375 is a deficient number, since it is larger than the sum of its proper divisors (5011393).

18065375 is an equidigital number, since it uses as much as digits as its factorization.

18065375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 18065375 is about 4250.3382218360. The cubic root of 18065375 is about 262.3910356517.

The spelling of 18065375 in words is "eighteen million, sixty-five thousand, three hundred seventy-five".