18468756 has 24 divisors (see below), whose sum is σ = 47882240. Its totient is φ = 6156216.

The previous prime is 18468719. The next prime is 18468763. The reversal of 18468756 is 65786481.

It is a happy number.

It is a congruent number.

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, 85396 + ... + 85611.

Almost surely, 2^18468756 is an apocalyptic number.

It is an amenable number.

18468756 is an abundant number, since it is smaller than the sum of its proper divisors (29413484).

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

18468756 is a wasteful number, since it uses less digits than its factorization.

18468756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171020 (or 171012 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 18468756 is about 4297.5290574934. The cubic root of 18468756 is about 264.3296501862.

It can be divided in two parts, 1846875 and 6, that added together give a square (1846881 = 1359²).

The spelling of 18468756 in words is "eighteen million, four hundred sixty-eight thousand, seven hundred fifty-six".