117732681 has 12 divisors (see below), whose sum is σ = 185518320. Its totient is φ = 71353080.

The previous prime is 117732679. The next prime is 117732691. The reversal of 117732681 is 186237711.

It is not a de Polignac number, because 117732681 - 2¹ = 117732679 is a prime.

It is a super-2 number, since 2×117732681² = 27721968350895522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (117732661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 594511 + ... + 594708.

It is an arithmetic number, because the mean of its divisors is an integer number (15459860).

Almost surely, 2^117732681 is an apocalyptic number.

117732681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117732681 is a deficient number, since it is larger than the sum of its proper divisors (67785639).

117732681 is a wasteful number, since it uses less digits than its factorization.

117732681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189236 (or 1189233 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 117732681 is about 10850.4691603635. The cubic root of 117732681 is about 490.1161476714.

The spelling of 117732681 in words is "one hundred seventeen million, seven hundred thirty-two thousand, six hundred eighty-one".