117701720 has 32 divisors (see below), whose sum is σ = 273963600. Its totient is φ = 45456768.

The previous prime is 117701657. The next prime is 117701723. The reversal of 117701720 is 27107711.

It is a self number, because there is not a number n which added to its sum of digits gives 117701720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117701723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49574 + ... + 51893.

Almost surely, 2^117701720 is an apocalyptic number.

117701720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117701720 is an abundant number, since it is smaller than the sum of its proper divisors (156261880).

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

117701720 is a wasteful number, since it uses less digits than its factorization.

117701720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101507 (or 101503 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 26.

The square root of 117701720 is about 10849.0423540513. The cubic root of 117701720 is about 490.0731807957.

The spelling of 117701720 in words is "one hundred seventeen million, seven hundred one thousand, seven hundred twenty".