18059975 has 24 divisors (see below), whose sum is σ = 23815440. Its totient is φ = 13547520.

The previous prime is 18059963. The next prime is 18059983. The reversal of 18059975 is 57995081.

It is a happy number.

It is not a de Polignac number, because 18059975 - 2⁸ = 18059719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91577 + ... + 91773.

It is an arithmetic number, because the mean of its divisors is an integer number (992310).

Almost surely, 2^18059975 is an apocalyptic number.

18059975 is a deficient number, since it is larger than the sum of its proper divisors (5755465).

18059975 is a wasteful number, since it uses less digits than its factorization.

18059975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 18059975 is about 4249.7029307941. The cubic root of 18059975 is about 262.3648888969.

The spelling of 18059975 in words is "eighteen million, fifty-nine thousand, nine hundred seventy-five".