117742824 has 24 divisors (see below), whose sum is σ = 318887010. Its totient is φ = 39247584.

The previous prime is 117742811. The next prime is 117742847. The reversal of 117742824 is 428247711.

It can be written as a sum of positive squares in only one way, i.e., 104652900 + 13089924 = 10230^2 + 3618^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 817587 + ... + 817730.

Almost surely, 2^117742824 is an apocalyptic number.

It is an amenable number.

117742824 is an abundant number, since it is smaller than the sum of its proper divisors (201144186).

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

117742824 is a wasteful number, since it uses less digits than its factorization.

117742824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635329 (or 1635322 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 117742824 is about 10850.9365494413. The cubic root of 117742824 is about 490.1302222266.

The spelling of 117742824 in words is "one hundred seventeen million, seven hundred forty-two thousand, eight hundred twenty-four".