113752720 has 20 divisors (see below), whose sum is σ = 264475260. Its totient is φ = 45501056.

The previous prime is 113752637. The next prime is 113752741. The reversal of 113752720 is 27257311.

It can be written as a sum of positive squares in 2 ways, for example, as 75411856 + 38340864 = 8684^2 + 6192^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710875 + ... + 711034.

It is an arithmetic number, because the mean of its divisors is an integer number (13223763).

Almost surely, 2^113752720 is an apocalyptic number.

113752720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113752720 is an abundant number, since it is smaller than the sum of its proper divisors (150722540).

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

113752720 is a wasteful number, since it uses less digits than its factorization.

113752720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421922 (or 1421916 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 113752720 is about 10665.4920186553. The cubic root of 113752720 is about 484.5299161508.

The spelling of 113752720 in words is "one hundred thirteen million, seven hundred fifty-two thousand, seven hundred twenty".