117340720 has 80 divisors (see below), whose sum is σ = 313247808. Its totient is φ = 40043520.

The previous prime is 117340703. The next prime is 117340721. The reversal of 117340720 is 27043711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (117340721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177190 + ... + 177850.

Almost surely, 2^117340720 is an apocalyptic number.

117340720 is a gapful number since it is divisible by the number (10) 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 117340720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156623904).

117340720 is an abundant number, since it is smaller than the sum of its proper divisors (195907088).

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

117340720 is a wasteful number, since it uses less digits than its factorization.

117340720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 117340720 is about 10832.3921642452. The cubic root of 117340720 is about 489.5716372921.

The spelling of 117340720 in words is "one hundred seventeen million, three hundred forty thousand, seven hundred twenty".