115700720 has 40 divisors (see below), whose sum is σ = 278285760. Its totient is φ = 44683520.

The previous prime is 115700707. The next prime is 115700723. The reversal of 115700720 is 27007511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115700723) 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, 22616 + ... + 27255.

It is an arithmetic number, because the mean of its divisors is an integer number (6957144).

Almost surely, 2^115700720 is an apocalyptic number.

115700720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115700720 is an abundant number, since it is smaller than the sum of its proper divisors (162585040).

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

115700720 is a wasteful number, since it uses less digits than its factorization.

115700720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49913 (or 49907 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 115700720 is about 10756.4269160349. The cubic root of 115700720 is about 487.2801129759.

The spelling of 115700720 in words is "one hundred fifteen million, seven hundred thousand, seven hundred twenty".