18074084 has 12 divisors (see below), whose sum is σ = 36148224. Its totient is φ = 7746024.

The previous prime is 18074083. The next prime is 18074099. The reversal of 18074084 is 48047081.

18074084 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18074084.

It is not an unprimeable number, because it can be changed into a prime (18074083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322724 + ... + 322779.

It is an arithmetic number, because the mean of its divisors is an integer number (3012352).

Almost surely, 2^18074084 is an apocalyptic number.

18074084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18074084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18074084 is a wasteful number, since it uses less digits than its factorization.

18074084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645514 (or 645512 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 18074084 is about 4251.3626050950. The cubic root of 18074084 is about 262.4331935812.

The spelling of 18074084 in words is "eighteen million, seventy-four thousand, eighty-four".