117372731 has 8 divisors (see below), whose sum is σ = 134245344. Its totient is φ = 100526400.

The previous prime is 117372701. The next prime is 117372767. The reversal of 117372731 is 137273711.

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

It is a cyclic number.

It is not a de Polignac number, because 117372731 - 2¹⁴ = 117356347 is a prime.

It is a super-2 number, since 2×117372731² = 27552715964796722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117372701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (16780668).

Almost surely, 2^117372731 is an apocalyptic number.

117372731 is a deficient number, since it is larger than the sum of its proper divisors (16872613).

117372731 is a wasteful number, since it uses less digits than its factorization.

117372731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13141.

The product of its digits is 6174, while the sum is 32.

The square root of 117372731 is about 10833.8696226233. The cubic root of 117372731 is about 489.6161522534.

The spelling of 117372731 in words is "one hundred seventeen million, three hundred seventy-two thousand, seven hundred thirty-one".