117692520 has 128 divisors (see below), whose sum is σ = 388247040. Its totient is φ = 28304640.

The previous prime is 117692501. The next prime is 117692521. The reversal of 117692520 is 25296711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (117692521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214887 + ... + 215433.

It is an arithmetic number, because the mean of its divisors is an integer number (3033180).

Almost surely, 2^117692520 is an apocalyptic number.

117692520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117692520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194123520).

117692520 is an abundant number, since it is smaller than the sum of its proper divisors (270554520).

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

117692520 is a wasteful number, since it uses less digits than its factorization.

117692520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 117692520 is about 10848.6183452088. The cubic root of 117692520 is about 490.0604118213.

The spelling of 117692520 in words is "one hundred seventeen million, six hundred ninety-two thousand, five hundred twenty".