115685072 has 40 divisors (see below), whose sum is σ = 238972800. Its totient is φ = 54093312.

The previous prime is 115685069. The next prime is 115685077. The reversal of 115685072 is 270586511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115685077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21608 + ... + 26424.

It is an arithmetic number, because the mean of its divisors is an integer number (5974320).

Almost surely, 2^115685072 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 115685072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119486400).

115685072 is an abundant number, since it is smaller than the sum of its proper divisors (123287728).

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

115685072 is a wasteful number, since it uses less digits than its factorization.

115685072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 115685072 is about 10755.6995123516. The cubic root of 115685072 is about 487.2581445071.

The spelling of 115685072 in words is "one hundred fifteen million, six hundred eighty-five thousand, seventy-two".