117671670 has 64 divisors (see below), whose sum is σ = 317096640. Its totient is φ = 31048704.

The previous prime is 117671669. The next prime is 117671711. The reversal of 117671670 is 76176711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23944 + ... + 28436.

It is an arithmetic number, because the mean of its divisors is an integer number (4954635).

Almost surely, 2^117671670 is an apocalyptic number.

117671670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117671670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158548320).

117671670 is an abundant number, since it is smaller than the sum of its proper divisors (199424970).

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

117671670 is a wasteful number, since it uses less digits than its factorization.

117671670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606 (or 4600 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 117671670 is about 10847.6573507832. The cubic root of 117671670 is about 490.0314709760.

It can be divided in two parts, 117671 and 670, that added together give a triangular number (118341 = T₄₈₆).

The spelling of 117671670 in words is "one hundred seventeen million, six hundred seventy-one thousand, six hundred seventy".