117756 has 18 divisors (see below), whose sum is σ = 297752. Its totient is φ = 39240.

The previous prime is 117751. The next prime is 117757. The reversal of 117756 is 657711.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1600 + ... + 1671.

2¹¹⁷⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

117756 is an abundant number, since it is smaller than the sum of its proper divisors (179996).

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

117756 is a wasteful number, since it uses less digits than its factorization.

117756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3276 counting only the distinct ones).

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

The square root of 117756 is about 343.1559412279. The cubic root of 117756 is about 49.0148504204.

It can be divided in two parts, 11775 and 6, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 117756 in words is "one hundred seventeen thousand, seven hundred fifty-six".