708256641 has 16 divisors (see below), whose sum is σ = 987638400. Its totient is φ = 450616320.

The previous prime is 708256631. The next prime is 708256643. The reversal of 708256641 is 146652807.

It is not a de Polignac number, because 708256641 - 2¹⁹ = 707732353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 708256641.

It is not an unprimeable number, because it can be changed into a prime (708256643) 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 15 ways as a sum of consecutive naturals, for example, 19551 + ... + 42411.

It is an arithmetic number, because the mean of its divisors is an integer number (61727400).

Almost surely, 2^708256641 is an apocalyptic number.

It is an amenable number.

708256641 is a deficient number, since it is larger than the sum of its proper divisors (279381759).

708256641 is a wasteful number, since it uses less digits than its factorization.

708256641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 708256641 is about 26613.0915340552. The cubic root of 708256641 is about 891.3813674763.

The spelling of 708256641 in words is "seven hundred eight million, two hundred fifty-six thousand, six hundred forty-one".