117172834 has 8 divisors (see below), whose sum is σ = 180046188. Its totient is φ = 57157440.

The previous prime is 117172813. The next prime is 117172849. The reversal of 117172834 is 438271711.

It can be written as a sum of positive squares in 2 ways, for example, as 92640625 + 24532209 = 9625^2 + 4953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 117172834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714387 + ... + 714550.

Almost surely, 2^117172834 is an apocalyptic number.

117172834 is a deficient number, since it is larger than the sum of its proper divisors (62873354).

117172834 is a wasteful number, since it uses less digits than its factorization.

117172834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428980.

The product of its digits is 9408, while the sum is 34.

The square root of 117172834 is about 10824.6401325864. The cubic root of 117172834 is about 489.3380399126.

The spelling of 117172834 in words is "one hundred seventeen million, one hundred seventy-two thousand, eight hundred thirty-four".