117172436 has 24 divisors (see below), whose sum is σ = 214663680. Its totient is φ = 55893600.

The previous prime is 117172427. The next prime is 117172459. The reversal of 117172436 is 634271711.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2150 + ... + 15458.

It is an arithmetic number, because the mean of its divisors is an integer number (8944320).

Almost surely, 2^117172436 is an apocalyptic number.

It is an amenable number.

117172436 is a deficient number, since it is larger than the sum of its proper divisors (97491244).

117172436 is a wasteful number, since it uses less digits than its factorization.

117172436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415 (or 13413 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 117172436 is about 10824.6217485878. The cubic root of 117172436 is about 489.3374858685.

The spelling of 117172436 in words is "one hundred seventeen million, one hundred seventy-two thousand, four hundred thirty-six".