117732492 has 36 divisors (see below), whose sum is σ = 310542960. Its totient is φ = 37537632.

The previous prime is 117732491. The next prime is 117732521. The reversal of 117732492 is 294237711.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (117732491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70267 + ... + 71922.

Almost surely, 2^117732492 is an apocalyptic number.

117732492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117732492 is an abundant number, since it is smaller than the sum of its proper divisors (192810468).

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

117732492 is a wasteful number, since it uses less digits than its factorization.

117732492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142222 (or 142217 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 117732492 is about 10850.4604510592. The cubic root of 117732492 is about 490.1158854050.

The spelling of 117732492 in words is "one hundred seventeen million, seven hundred thirty-two thousand, four hundred ninety-two".