117331872 has 72 divisors (see below), whose sum is σ = 358295616. Its totient is φ = 33522048.

The previous prime is 117331861. The next prime is 117331913. The reversal of 117331872 is 278133711.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7768 + ... + 17175.

It is an arithmetic number, because the mean of its divisors is an integer number (4976328).

Almost surely, 2^117331872 is an apocalyptic number.

117331872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117331872 is an abundant number, since it is smaller than the sum of its proper divisors (240963744).

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

117331872 is a wasteful number, since it uses less digits than its factorization.

117331872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24970 (or 24955 counting only the distinct ones).

The product of its digits is 7056, while the sum is 33.

The square root of 117331872 is about 10831.9837518342. The cubic root of 117331872 is about 489.5593317068.

The spelling of 117331872 in words is "one hundred seventeen million, three hundred thirty-one thousand, eight hundred seventy-two".