18757132 has 6 divisors (see below), whose sum is σ = 32824988. Its totient is φ = 9378564.

The previous prime is 18757129. The next prime is 18757133. The reversal of 18757132 is 23175781.

It is not an unprimeable number, because it can be changed into a prime (18757133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344638 + ... + 2344645.

Almost surely, 2^18757132 is an apocalyptic number.

It is an amenable number.

18757132 is a deficient number, since it is larger than the sum of its proper divisors (14067856).

18757132 is a wasteful number, since it uses less digits than its factorization.

18757132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689287 (or 4689285 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 18757132 is about 4330.9504730486. The cubic root of 18757132 is about 265.6983219409.

The spelling of 18757132 in words is "eighteen million, seven hundred fifty-seven thousand, one hundred thirty-two".