117945692 has 12 divisors (see below), whose sum is σ = 217268520. Its totient is φ = 55868976.

The previous prime is 117945631. The next prime is 117945703. The reversal of 117945692 is 296549711.

It is a super-2 number, since 2×117945692² = 27822372522717728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775883 + ... + 776034.

It is an arithmetic number, because the mean of its divisors is an integer number (18105710).

Almost surely, 2^117945692 is an apocalyptic number.

It is an amenable number.

117945692 is a deficient number, since it is larger than the sum of its proper divisors (99322828).

117945692 is a wasteful number, since it uses less digits than its factorization.

117945692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551940 (or 1551938 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 117945692 is about 10860.2804751995. The cubic root of 117945692 is about 490.4115548321.

The spelling of 117945692 in words is "one hundred seventeen million, nine hundred forty-five thousand, six hundred ninety-two".