705863256 has 192 divisors, whose sum is σ = 2202785280. Its totient is φ = 183966720.

The previous prime is 705863231. The next prime is 705863299. The reversal of 705863256 is 652368507.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 9941701 + ... + 9941771.

It is an arithmetic number, because the mean of its divisors is an integer number (11472840).

Almost surely, 2^705863256 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 705863256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101392640).

705863256 is an abundant number, since it is smaller than the sum of its proper divisors (1496922024).

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

705863256 is a wasteful number, since it uses less digits than its factorization.

705863256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 705863256 is about 26568.0871723954. The cubic root of 705863256 is about 890.3761638446.

The spelling of 705863256 in words is "seven hundred five million, eight hundred sixty-three thousand, two hundred fifty-six".