18514974 has 16 divisors (see below), whose sum is σ = 37133712. Its totient is φ = 6154368.

The previous prime is 18514961. The next prime is 18514999. The reversal of 18514974 is 47941581.

It is a congruent number.

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, 1899 + ... + 6374.

It is an arithmetic number, because the mean of its divisors is an integer number (2320857).

Almost surely, 2^18514974 is an apocalyptic number.

18514974 is an abundant number, since it is smaller than the sum of its proper divisors (18618738).

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

18514974 is a wasteful number, since it uses less digits than its factorization.

18514974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651.

The product of its digits is 40320, while the sum is 39.

The square root of 18514974 is about 4302.9029735749. The cubic root of 18514974 is about 264.5499612004.

The spelling of 18514974 in words is "eighteen million, five hundred fourteen thousand, nine hundred seventy-four".