117724326720 has 2016 divisors, whose sum is σ = 540886034304. Its totient is φ = 21459271680.

The previous prime is 117724326697. The next prime is 117724326761. The reversal of 117724326720 is 27623427711.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2737775019 + ... + 2737775061.

It is an arithmetic number, because the mean of its divisors is an integer number (268296644).

Almost surely, 2^117724326720 is an apocalyptic number.

117724326720 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 117724326720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270443017152).

117724326720 is an abundant number, since it is smaller than the sum of its proper divisors (423161707584).

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

117724326720 is a wasteful number, since it uses less digits than its factorization.

117724326720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

It can be divided in two parts, 117724 and 326720, that added together give a palindrome (444444).

The spelling of 117724326720 in words is "one hundred seventeen billion, seven hundred twenty-four million, three hundred twenty-six thousand, seven hundred twenty".