18237074 has 16 divisors (see below), whose sum is σ = 29467680. Its totient is φ = 8436960.

The previous prime is 18237047. The next prime is 18237103. The reversal of 18237074 is 47073281.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18237074.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3947 + ... + 7214.

It is an arithmetic number, because the mean of its divisors is an integer number (1841730).

Almost surely, 2^18237074 is an apocalyptic number.

18237074 is a deficient number, since it is larger than the sum of its proper divisors (11230606).

18237074 is a wasteful number, since it uses less digits than its factorization.

18237074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11225.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 18237074 is about 4270.4887308129. The cubic root of 18237074 is about 263.2196981620.

The spelling of 18237074 in words is "eighteen million, two hundred thirty-seven thousand, seventy-four".