117908070 has 64 divisors (see below), whose sum is σ = 326025216. Its totient is φ = 26732160.

The previous prime is 117908069. The next prime is 117908071. The reversal of 117908070 is 70809711.

It is an interprime number because it is at equal distance from previous prime (117908069) and next prime (117908071).

It is a super-2 number, since 2×117908070² = 27804625942249800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117908071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24460 + ... + 28880.

It is an arithmetic number, because the mean of its divisors is an integer number (5094144).

Almost surely, 2^117908070 is an apocalyptic number.

117908070 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 117908070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163012608).

117908070 is an abundant number, since it is smaller than the sum of its proper divisors (208117146).

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

117908070 is a wasteful number, since it uses less digits than its factorization.

117908070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 117908070 is about 10858.5482455069. The cubic root of 117908070 is about 490.3594059001.

The spelling of 117908070 in words is "one hundred seventeen million, nine hundred eight thousand, seventy".