706397825 has 24 divisors (see below), whose sum is σ = 1007822400. Its totient is φ = 481118400.

The previous prime is 706397819. The next prime is 706397849. The reversal of 706397825 is 528793607.

706397825 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-706397825 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 706397825.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12530 + ... + 39620.

It is an arithmetic number, because the mean of its divisors is an integer number (41992600).

Almost surely, 2^706397825 is an apocalyptic number.

It is an amenable number.

706397825 is a deficient number, since it is larger than the sum of its proper divisors (301424575).

706397825 is a wasteful number, since it uses less digits than its factorization.

706397825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27257 (or 27252 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 706397825 is about 26578.1456275640. The cubic root of 706397825 is about 890.6008756367.

The spelling of 706397825 in words is "seven hundred six million, three hundred ninety-seven thousand, eight hundred twenty-five".