18745374 has 16 divisors (see below), whose sum is σ = 37559808. Its totient is φ = 6236952.

The previous prime is 18745369. The next prime is 18745387. The reversal of 18745374 is 47354781.

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, 1069 + ... + 6215.

It is an arithmetic number, because the mean of its divisors is an integer number (2347488).

Almost surely, 2^18745374 is an apocalyptic number.

18745374 is an abundant number, since it is smaller than the sum of its proper divisors (18814434).

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

18745374 is a wasteful number, since it uses less digits than its factorization.

18745374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759.

The product of its digits is 94080, while the sum is 39.

The square root of 18745374 is about 4329.5928215018. The cubic root of 18745374 is about 265.6427922384.

The spelling of 18745374 in words is "eighteen million, seven hundred forty-five thousand, three hundred seventy-four".