705608072 has 32 divisors (see below), whose sum is σ = 1444318680. Its totient is φ = 321200640.

The previous prime is 705608009. The next prime is 705608087. The reversal of 705608072 is 270806507.

It can be written as a sum of positive squares in 4 ways, for example, as 258116356 + 447491716 = 16066^2 + 21154^2 .

It is an unprimeable number.

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, 38879 + ... + 54062.

Almost surely, 2^705608072 is an apocalyptic number.

It is an amenable number.

705608072 is an abundant number, since it is smaller than the sum of its proper divisors (738710608).

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

705608072 is a wasteful number, since it uses less digits than its factorization.

705608072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93033 (or 93029 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 705608072 is about 26563.2842848922. The cubic root of 705608072 is about 890.2688545157.

The spelling of 705608072 in words is "seven hundred five million, six hundred eight thousand, seventy-two".