117431724 has 24 divisors (see below), whose sum is σ = 274221808. Its totient is φ = 39113280.

The previous prime is 117431711. The next prime is 117431773. The reversal of 117431724 is 427134711.

It is a super-3 number, since 3×117431724³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 117431691 and 117431700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16434 + ... + 22470.

Almost surely, 2^117431724 is an apocalyptic number.

It is an amenable number.

117431724 is an abundant number, since it is smaller than the sum of its proper divisors (156790084).

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

117431724 is a wasteful number, since it uses less digits than its factorization.

117431724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665 (or 7663 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 117431724 is about 10836.5918996703. The cubic root of 117431724 is about 489.6981675779.

The spelling of 117431724 in words is "one hundred seventeen million, four hundred thirty-one thousand, seven hundred twenty-four".