706868656 has 20 divisors (see below), whose sum is σ = 1474909072. Its totient is φ = 326246976.

The previous prime is 706868651. The next prime is 706868677. The reversal of 706868656 is 656868607.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (706868651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698996 + ... + 1699411.

Almost surely, 2^706868656 is an apocalyptic number.

It is an amenable number.

706868656 is an abundant number, since it is smaller than the sum of its proper divisors (768040416).

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

706868656 is a wasteful number, since it uses less digits than its factorization.

706868656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398428 (or 3398422 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 706868656 is about 26587.0016361379. The cubic root of 706868656 is about 890.7987006005.

The spelling of 706868656 in words is "seven hundred six million, eight hundred sixty-eight thousand, six hundred fifty-six".