18748768 has 12 divisors (see below), whose sum is σ = 36911700. Its totient is φ = 9374368.

The previous prime is 18748733. The next prime is 18748771. The reversal of 18748768 is 86784781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 292918 + ... + 292981.

It is an arithmetic number, because the mean of its divisors is an integer number (3075975).

Almost surely, 2^18748768 is an apocalyptic number.

It is an amenable number.

18748768 is a deficient number, since it is larger than the sum of its proper divisors (18162932).

18748768 is an equidigital number, since it uses as much as digits as its factorization.

18748768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585909 (or 585901 counting only the distinct ones).

The product of its digits is 602112, while the sum is 49.

The square root of 18748768 is about 4329.9847574789. The cubic root of 18748768 is about 265.6588235222.

The spelling of 18748768 in words is "eighteen million, seven hundred forty-eight thousand, seven hundred sixty-eight".