18768132 has 24 divisors (see below), whose sum is σ = 48658400. Its totient is φ = 6256008.

The previous prime is 18768103. The next prime is 18768137. The reversal of 18768132 is 23186781.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (18768137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86782 + ... + 86997.

Almost surely, 2^18768132 is an apocalyptic number.

18768132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18768132 is an abundant number, since it is smaller than the sum of its proper divisors (29890268).

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

18768132 is a wasteful number, since it uses less digits than its factorization.

18768132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173792 (or 173784 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 18768132 is about 4332.2202160093. The cubic root of 18768132 is about 265.7502508179.

The spelling of 18768132 in words is "eighteen million, seven hundred sixty-eight thousand, one hundred thirty-two".