117198720 has 96 divisors (see below), whose sum is σ = 404721720. Its totient is φ = 31251456.

The previous prime is 117198713. The next prime is 117198733. The reversal of 117198720 is 27891711.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

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, 4414 + ... + 15933.

Almost surely, 2^117198720 is an apocalyptic number.

117198720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117198720 is an abundant number, since it is smaller than the sum of its proper divisors (287523000).

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

117198720 is a wasteful number, since it uses less digits than its factorization.

117198720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20372 (or 20357 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 117198720 is about 10825.8357645034. The cubic root of 117198720 is about 489.3740723597.

The spelling of 117198720 in words is "one hundred seventeen million, one hundred ninety-eight thousand, seven hundred twenty".