18425372 has 18 divisors (see below), whose sum is σ = 37509192. Its totient is φ = 7896504.

The previous prime is 18425347. The next prime is 18425387. The reversal of 18425372 is 27352481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46808 + ... + 47199.

It is an arithmetic number, because the mean of its divisors is an integer number (2083844).

Almost surely, 2^18425372 is an apocalyptic number.

It is an amenable number.

18425372 is an abundant number, since it is smaller than the sum of its proper divisors (19083820).

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

18425372 is a wasteful number, since it uses less digits than its factorization.

18425372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94025 (or 94016 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 18425372 is about 4292.4785380943. The cubic root of 18425372 is about 264.1225135378.

The spelling of 18425372 in words is "eighteen million, four hundred twenty-five thousand, three hundred seventy-two".