705116172 has 12 divisors (see below), whose sum is σ = 1645271096. Its totient is φ = 235038720.

The previous prime is 705116149. The next prime is 705116189. The reversal of 705116172 is 271611507.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29379829 + ... + 29379852.

Almost surely, 2^705116172 is an apocalyptic number.

It is an amenable number.

705116172 is an abundant number, since it is smaller than the sum of its proper divisors (940154924).

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

705116172 is a wasteful number, since it uses less digits than its factorization.

705116172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58759688 (or 58759686 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 705116172 is about 26554.0236499104. The cubic root of 705116172 is about 890.0619289483.

Adding to 705116172 its reverse (271611507), we get a palindrome (976727679).

The spelling of 705116172 in words is "seven hundred five million, one hundred sixteen thousand, one hundred seventy-two".