705611712 has 56 divisors (see below), whose sum is σ = 2010548176. Its totient is φ = 217110528.

The previous prime is 705611653. The next prime is 705611713. The reversal of 705611712 is 217116507.

It is a super-2 number, since 2×705611712² = 995775776223141888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 705611712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705611713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138853 + ... + 143844.

It is an arithmetic number, because the mean of its divisors is an integer number (35902646).

Almost surely, 2^705611712 is an apocalyptic number.

It is an amenable number.

705611712 is an abundant number, since it is smaller than the sum of its proper divisors (1304936464).

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

705611712 is a wasteful number, since it uses less digits than its factorization.

705611712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282725 (or 282715 counting only the distinct ones).

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

The square root of 705611712 is about 26563.3528004279. The cubic root of 705611712 is about 890.2703853811.

The spelling of 705611712 in words is "seven hundred five million, six hundred eleven thousand, seven hundred twelve".