117973705 has 4 divisors (see below), whose sum is σ = 141568452. Its totient is φ = 94378960.

The previous prime is 117973703. The next prime is 117973777. The reversal of 117973705 is 507379711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91317136 + 26656569 = 9556^2 + 5163^2 .

It is not a de Polignac number, because 117973705 - 2¹ = 117973703 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117973703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11797366 + ... + 11797375.

It is an arithmetic number, because the mean of its divisors is an integer number (35392113).

Almost surely, 2^117973705 is an apocalyptic number.

It is an amenable number.

117973705 is a deficient number, since it is larger than the sum of its proper divisors (23594747).

117973705 is an equidigital number, since it uses as much as digits as its factorization.

117973705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23594746.

The product of its (nonzero) digits is 46305, while the sum is 40.

The square root of 117973705 is about 10861.5700982869. The cubic root of 117973705 is about 490.4503772516.

The spelling of 117973705 in words is "one hundred seventeen million, nine hundred seventy-three thousand, seven hundred five".