18534075 has 48 divisors (see below), whose sum is σ = 35878656. Its totient is φ = 8265600.

The previous prime is 18534073. The next prime is 18534079. The reversal of 18534075 is 57043581.

It is not a de Polignac number, because 18534075 - 2¹ = 18534073 is a prime.

It is a super-2 number, since 2×18534075² = 687023872211250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18534073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22165 + ... + 22985.

It is an arithmetic number, because the mean of its divisors is an integer number (747472).

Almost surely, 2^18534075 is an apocalyptic number.

18534075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18534075 is a deficient number, since it is larger than the sum of its proper divisors (17344581).

18534075 is a wasteful number, since it uses less digits than its factorization.

18534075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 18534075 is about 4305.1219494923. The cubic root of 18534075 is about 264.6409043851.

The spelling of 18534075 in words is "eighteen million, five hundred thirty-four thousand, seventy-five".