117279432 has 24 divisors (see below), whose sum is σ = 317631990. Its totient is φ = 39093120.

The previous prime is 117279431. The next prime is 117279439. The reversal of 117279432 is 234972711.

It can be written as a sum of positive squares in only one way, i.e., 116769636 + 509796 = 10806^2 + 714^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 (117279431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 814369 + ... + 814512.

Almost surely, 2^117279432 is an apocalyptic number.

117279432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117279432 is an abundant number, since it is smaller than the sum of its proper divisors (200352558).

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

117279432 is a wasteful number, since it uses less digits than its factorization.

117279432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628893 (or 1628886 counting only the distinct ones).

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

The square root of 117279432 is about 10829.5628720646. The cubic root of 117279432 is about 489.4863867160.

It can be divided in two parts, 117279 and 432, that added together give a palindrome (117711).

The spelling of 117279432 in words is "one hundred seventeen million, two hundred seventy-nine thousand, four hundred thirty-two".