117807372 has 72 divisors (see below), whose sum is σ = 325124800. Its totient is φ = 37196496.

The previous prime is 117807343. The next prime is 117807377. The reversal of 117807372 is 273708711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (117807377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15279 + ... + 21657.

Almost surely, 2^117807372 is an apocalyptic number.

117807372 is a gapful number since it is divisible by the number (12) 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 117807372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162562400).

117807372 is an abundant number, since it is smaller than the sum of its proper divisors (207317428).

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

117807372 is a wasteful number, since it uses less digits than its factorization.

117807372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417 (or 6403 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 117807372 is about 10853.9104473918. The cubic root of 117807372 is about 490.2197709142.

The spelling of 117807372 in words is "one hundred seventeen million, eight hundred seven thousand, three hundred seventy-two".