117742724 has 24 divisors (see below), whose sum is σ = 226174368. Its totient is φ = 53187840.

The previous prime is 117742717. The next prime is 117742747. The reversal of 117742724 is 427247711.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037 + ... + 15380.

It is an arithmetic number, because the mean of its divisors is an integer number (9423932).

Almost surely, 2^117742724 is an apocalyptic number.

It is an amenable number.

117742724 is a deficient number, since it is larger than the sum of its proper divisors (108431644).

117742724 is a wasteful number, since it uses less digits than its factorization.

117742724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16595 (or 16593 counting only the distinct ones).

The product of its digits is 21952, while the sum is 35.

The square root of 117742724 is about 10850.9319415431. The cubic root of 117742724 is about 490.1300834692.

The spelling of 117742724 in words is "one hundred seventeen million, seven hundred forty-two thousand, seven hundred twenty-four".