18756480 has 64 divisors (see below), whose sum is σ = 59792400. Its totient is φ = 5001216.

The previous prime is 18756473. The next prime is 18756497. The reversal of 18756480 is 8465781.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2965 + ... + 6804.

Almost surely, 2^18756480 is an apocalyptic number.

18756480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18756480 is an abundant number, since it is smaller than the sum of its proper divisors (41035920).

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

18756480 is an equidigital number, since it uses as much as digits as its factorization.

18756480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791 (or 9779 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 18756480 is about 4330.8752002338. The cubic root of 18756480 is about 265.6952433375.

The spelling of 18756480 in words is "eighteen million, seven hundred fifty-six thousand, four hundred eighty".