18125372 has 12 divisors (see below), whose sum is σ = 32016600. Its totient is φ = 8977776.

The previous prime is 18125363. The next prime is 18125381. The reversal of 18125372 is 27352181.

It is an interprime number because it is at equal distance from previous prime (18125363) and next prime (18125381).

It is a super-2 number, since 2×18125372² = 657058220276768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20747 + ... + 21602.

It is an arithmetic number, because the mean of its divisors is an integer number (2668050).

Almost surely, 2^18125372 is an apocalyptic number.

It is an amenable number.

18125372 is a deficient number, since it is larger than the sum of its proper divisors (13891228).

18125372 is a wasteful number, since it uses less digits than its factorization.

18125372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42460 (or 42458 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 18125372 is about 4257.3902804418. The cubic root of 18125372 is about 262.6811907017.

The spelling of 18125372 in words is "eighteen million, one hundred twenty-five thousand, three hundred seventy-two".