117713640 has 160 divisors (see below), whose sum is σ = 394250400. Its totient is φ = 28110720.

The previous prime is 117713623. The next prime is 117713677. The reversal of 117713640 is 46317711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 117713598 and 117713607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1756887 + ... + 1756953.

It is an arithmetic number, because the mean of its divisors is an integer number (2464065).

Almost surely, 2^117713640 is an apocalyptic number.

117713640 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 117713640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197125200).

117713640 is an abundant number, since it is smaller than the sum of its proper divisors (276536760).

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

117713640 is an equidigital number, since it uses as much as digits as its factorization.

117713640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 117713640 is about 10849.5916973866. The cubic root of 117713640 is about 490.0897239556.

The spelling of 117713640 in words is "one hundred seventeen million, seven hundred thirteen thousand, six hundred forty".