18000714 has 16 divisors (see below), whose sum is σ = 37896480. Its totient is φ = 5684400.

The previous prime is 18000709. The next prime is 18000721. The reversal of 18000714 is 41700081.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78837 + ... + 79064.

It is an arithmetic number, because the mean of its divisors is an integer number (2368530).

Almost surely, 2^18000714 is an apocalyptic number.

18000714 is an abundant number, since it is smaller than the sum of its proper divisors (19895766).

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

18000714 is a wasteful number, since it uses less digits than its factorization.

18000714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157925.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 18000714 is about 4242.7248319918. The cubic root of 18000714 is about 262.0776045776.

Adding to 18000714 its reverse (41700081), we get a palindrome (59700795).

The spelling of 18000714 in words is "eighteen million, seven hundred fourteen", and thus it is an aban number.