117612720 has 60 divisors (see below), whose sum is σ = 394985136. Its totient is φ = 31363200.

The previous prime is 117612673. The next prime is 117612739. The reversal of 117612720 is 27216711.

It is a tau number, because it is divible by the number of its divisors (60).

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, 80956 + ... + 82395.

Almost surely, 2^117612720 is an apocalyptic number.

117612720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117612720 is an abundant number, since it is smaller than the sum of its proper divisors (277372416).

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

117612720 is a wasteful number, since it uses less digits than its factorization.

117612720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163370 (or 163361 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 117612720 is about 10844.9398338580. The cubic root of 117612720 is about 489.9496269195.

The spelling of 117612720 in words is "one hundred seventeen million, six hundred twelve thousand, seven hundred twenty".