117439632 has 50 divisors (see below), whose sum is σ = 339908118. Its totient is φ = 39146112.

The previous prime is 117439603. The next prime is 117439649. The reversal of 117439632 is 236934711.

117439632 is a `hidden beast` number, since 1 + 17 + 4 + 3 + 9 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 117418896 + 20736 = 10836^2 + 144^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44013 + ... + 46604.

Almost surely, 2^117439632 is an apocalyptic number.

117439632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117439632 is an abundant number, since it is smaller than the sum of its proper divisors (222468486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117439632 is an equidigital number, since it uses as much as digits as its factorization.

117439632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90637 (or 90622 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 117439632 is about 10836.9567683921. The cubic root of 117439632 is about 489.7091596280.

The spelling of 117439632 in words is "one hundred seventeen million, four hundred thirty-nine thousand, six hundred thirty-two".