117508742 has 32 divisors (see below), whose sum is σ = 195350400. Its totient is φ = 52987584.

The previous prime is 117508733. The next prime is 117508751. The reversal of 117508742 is 247805711.

It is an interprime number because it is at equal distance from previous prime (117508733) and next prime (117508751).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206234 + ... + 206802.

It is an arithmetic number, because the mean of its divisors is an integer number (6104700).

Almost surely, 2^117508742 is an apocalyptic number.

117508742 is a deficient number, since it is larger than the sum of its proper divisors (77841658).

117508742 is an equidigital number, since it uses as much as digits as its factorization.

117508742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 117508742 is about 10840.1449252305. The cubic root of 117508742 is about 489.8052009243.

The spelling of 117508742 in words is "one hundred seventeen million, five hundred eight thousand, seven hundred forty-two".