18066762 has 24 divisors (see below), whose sum is σ = 44737056. Its totient is φ = 5161896.

The previous prime is 18066749. The next prime is 18066809. The reversal of 18066762 is 26766081.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71568 + ... + 71819.

It is an arithmetic number, because the mean of its divisors is an integer number (1864044).

Almost surely, 2^18066762 is an apocalyptic number.

18066762 is an abundant number, since it is smaller than the sum of its proper divisors (26670294).

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

18066762 is a wasteful number, since it uses less digits than its factorization.

18066762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143402 (or 143399 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 18066762 is about 4250.5013821901. The cubic root of 18066762 is about 262.3977506531.

The spelling of 18066762 in words is "eighteen million, sixty-six thousand, seven hundred sixty-two".