117302390 has 64 divisors (see below), whose sum is σ = 234360000. Its totient is φ = 42094080.

The previous prime is 117302389. The next prime is 117302401. The reversal of 117302390 is 93203711.

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, 335936 + ... + 336284.

It is an arithmetic number, because the mean of its divisors is an integer number (3661875).

Almost surely, 2^117302390 is an apocalyptic number.

117302390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117302390 is a deficient number, since it is larger than the sum of its proper divisors (117057610).

117302390 is a wasteful number, since it uses less digits than its factorization.

117302390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 117302390 is about 10830.6227891105. The cubic root of 117302390 is about 489.5183243857.

The spelling of 117302390 in words is "one hundred seventeen million, three hundred two thousand, three hundred ninety".