18475372 has 24 divisors (see below), whose sum is σ = 34193600. Its totient is φ = 8710416.

The previous prime is 18475367. The next prime is 18475393. The reversal of 18475372 is 27357481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21079 + ... + 21937.

Almost surely, 2^18475372 is an apocalyptic number.

It is an amenable number.

18475372 is a deficient number, since it is larger than the sum of its proper divisors (15718228).

18475372 is a wasteful number, since it uses less digits than its factorization.

18475372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1163 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 18475372 is about 4298.2987332199. The cubic root of 18475372 is about 264.3612097236.

The spelling of 18475372 in words is "eighteen million, four hundred seventy-five thousand, three hundred seventy-two".