117315072 has 120 divisors (see below), whose sum is σ = 387054096. Its totient is φ = 33509376.

The previous prime is 117315061. The next prime is 117315089. The reversal of 117315072 is 270513711.

It is a happy number.

It is a super-2 number, since 2×117315072² = 27525652236730368, which contains 22 as substring.

It is a congruent number.

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, 30438 + ... + 34074.

Almost surely, 2^117315072 is an apocalyptic number.

117315072 is a gapful number since it is divisible by the number (12) 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 117315072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193527048).

117315072 is an abundant number, since it is smaller than the sum of its proper divisors (269739024).

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

117315072 is an equidigital number, since it uses as much as digits as its factorization.

117315072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3649 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 117315072 is about 10831.2082428508. The cubic root of 117315072 is about 489.5359649688.

Adding to 117315072 its reverse (270513711), we get a palindrome (387828783).

The spelling of 117315072 in words is "one hundred seventeen million, three hundred fifteen thousand, seventy-two".