705856928 has 48 divisors (see below), whose sum is σ = 1598373504. Its totient is φ = 300568320.

The previous prime is 705856919. The next prime is 705856933. The reversal of 705856928 is 829658507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25133 + ... + 45203.

It is an arithmetic number, because the mean of its divisors is an integer number (33299448).

Almost surely, 2^705856928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705856928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799186752).

705856928 is an abundant number, since it is smaller than the sum of its proper divisors (892516576).

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

705856928 is a wasteful number, since it uses less digits than its factorization.

705856928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20245 (or 20237 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 705856928 is about 26567.9680818839. The cubic root of 705856928 is about 890.3735031228.

The spelling of 705856928 in words is "seven hundred five million, eight hundred fifty-six thousand, nine hundred twenty-eight".