18452768 has 12 divisors (see below), whose sum is σ = 36328950. Its totient is φ = 9226368.

The previous prime is 18452723. The next prime is 18452771. The reversal of 18452768 is 86725481.

It can be written as a sum of positive squares in only one way, i.e., 10679824 + 7772944 = 3268^2 + 2788^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288293 + ... + 288356.

Almost surely, 2^18452768 is an apocalyptic number.

It is an amenable number.

18452768 is a deficient number, since it is larger than the sum of its proper divisors (17876182).

18452768 is an equidigital number, since it uses as much as digits as its factorization.

18452768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576659 (or 576651 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 18452768 is about 4295.6685160752. The cubic root of 18452768 is about 264.2533533579.

The spelling of 18452768 in words is "eighteen million, four hundred fifty-two thousand, seven hundred sixty-eight".