113532720 has 80 divisors (see below), whose sum is σ = 402236160. Its totient is φ = 25949952.

The previous prime is 113532707. The next prime is 113532751. The reversal of 113532720 is 27235311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32110 + ... + 35469.

It is an arithmetic number, because the mean of its divisors is an integer number (5027952).

Almost surely, 2^113532720 is an apocalyptic number.

113532720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113532720 is an abundant number, since it is smaller than the sum of its proper divisors (288703440).

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

113532720 is a wasteful number, since it uses less digits than its factorization.

113532720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67602 (or 67596 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 113532720 is about 10655.1733913625. The cubic root of 113532720 is about 484.2173510961.

The spelling of 113532720 in words is "one hundred thirteen million, five hundred thirty-two thousand, seven hundred twenty".