113568728 has 64 divisors (see below), whose sum is σ = 265796160. Its totient is φ = 44292096.

The previous prime is 113568691. The next prime is 113568731. The reversal of 113568728 is 827865311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52076 + ... + 54212.

It is an arithmetic number, because the mean of its divisors is an integer number (4153065).

Almost surely, 2^113568728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113568728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132898080).

113568728 is an abundant number, since it is smaller than the sum of its proper divisors (152227432).

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

113568728 is a wasteful number, since it uses less digits than its factorization.

113568728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2232 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 113568728 is about 10656.8629530458. The cubic root of 113568728 is about 484.2685370901.

The spelling of 113568728 in words is "one hundred thirteen million, five hundred sixty-eight thousand, seven hundred twenty-eight".