117724870 has 16 divisors (see below), whose sum is σ = 212185008. Its totient is φ = 47027680.

The previous prime is 117724843. The next prime is 117724877. The reversal of 117724870 is 78427711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117724877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585 + ... + 15355.

It is an arithmetic number, because the mean of its divisors is an integer number (13261563).

Almost surely, 2^117724870 is an apocalyptic number.

117724870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117724870 is a deficient number, since it is larger than the sum of its proper divisors (94460138).

117724870 is a wasteful number, since it uses less digits than its factorization.

117724870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15575.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 117724870 is about 10850.1092160402. The cubic root of 117724870 is about 490.1053084780.

The spelling of 117724870 in words is "one hundred seventeen million, seven hundred twenty-four thousand, eight hundred seventy".