18065732 has 12 divisors (see below), whose sum is σ = 33279120. Its totient is φ = 8557416.

The previous prime is 18065717. The next prime is 18065759. The reversal of 18065732 is 23756081.

It is a happy 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, 118778 + ... + 118929.

It is an arithmetic number, because the mean of its divisors is an integer number (2773260).

Almost surely, 2^18065732 is an apocalyptic number.

It is an amenable number.

18065732 is a deficient number, since it is larger than the sum of its proper divisors (15213388).

18065732 is a wasteful number, since it uses less digits than its factorization.

18065732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237730 (or 237728 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 18065732 is about 4250.3802182864. The cubic root of 18065732 is about 262.3927640591.

The spelling of 18065732 in words is "eighteen million, sixty-five thousand, seven hundred thirty-two".