117438756 has 24 divisors (see below), whose sum is σ = 274251264. Its totient is φ = 39113760.

The previous prime is 117438751. The next prime is 117438779. The reversal of 117438756 is 657834711.

It is a super-2 number, since 2×117438756² = 27583722821655072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117438751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14326 + ... + 20978.

It is an arithmetic number, because the mean of its divisors is an integer number (11427136).

Almost surely, 2^117438756 is an apocalyptic number.

It is an amenable number.

117438756 is an abundant number, since it is smaller than the sum of its proper divisors (156812508).

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

117438756 is a wasteful number, since it uses less digits than its factorization.

117438756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131 (or 8129 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 117438756 is about 10836.9163510659. The cubic root of 117438756 is about 489.7079420201.

The spelling of 117438756 in words is "one hundred seventeen million, four hundred thirty-eight thousand, seven hundred fifty-six".