117317970 has 336 divisors, whose sum is σ = 418662720. Its totient is φ = 23094720.

The previous prime is 117317957. The next prime is 117317983. The reversal of 117317970 is 79713711.

It is an interprime number because it is at equal distance from previous prime (117317957) and next prime (117317983).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 6174621 + ... + 6174639.

It is an arithmetic number, because the mean of its divisors is an integer number (1246020).

Almost surely, 2^117317970 is an apocalyptic number.

117317970 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 117317970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209331360).

117317970 is an abundant number, since it is smaller than the sum of its proper divisors (301344750).

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

117317970 is a wasteful number, since it uses less digits than its factorization.

117317970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 9261, while the sum is 36.

The square root of 117317970 is about 10831.3420221134. The cubic root of 117317970 is about 489.5399958903.

It can be divided in two parts, 11731 and 7970, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 117317970 in words is "one hundred seventeen million, three hundred seventeen thousand, nine hundred seventy".