705850656 has 144 divisors (see below), whose sum is σ = 2190065472. Its totient is φ = 194987520.

The previous prime is 705850643. The next prime is 705850669. The reversal of 705850656 is 656058507.

It is an interprime number because it is at equal distance from previous prime (705850643) and next prime (705850669).

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

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 23 ways as a sum of consecutive naturals, for example, 645246 + ... + 646338.

It is an arithmetic number, because the mean of its divisors is an integer number (15208788).

Almost surely, 2^705850656 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 705850656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095032736).

705850656 is an abundant number, since it is smaller than the sum of its proper divisors (1484214816).

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

705850656 is a wasteful number, since it uses less digits than its factorization.

705850656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 705850656 is about 26567.8500447439. The cubic root of 705850656 is about 890.3708659315.

The spelling of 705850656 in words is "seven hundred five million, eight hundred fifty thousand, six hundred fifty-six".