113686720 has 56 divisors (see below), whose sum is σ = 309396384. Its totient is φ = 38977536.

The previous prime is 113686693. The next prime is 113686763. The reversal of 113686720 is 27686311.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 23137 + ... + 27616.

Almost surely, 2^113686720 is an apocalyptic number.

113686720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113686720 is an abundant number, since it is smaller than the sum of its proper divisors (195709664).

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

113686720 is an equidigital number, since it uses as much as digits as its factorization.

113686720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50777 (or 50767 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 113686720 is about 10662.3974789913. The cubic root of 113686720 is about 484.4361889817.

The spelling of 113686720 in words is "one hundred thirteen million, six hundred eighty-six thousand, seven hundred twenty".