706668 has 12 divisors (see below), whose sum is σ = 1648920. Its totient is φ = 235552.

The previous prime is 706661. The next prime is 706669. The reversal of 706668 is 866607.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (706661) 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, 29433 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (137410).

2⁷⁰⁶⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

706668 is an abundant number, since it is smaller than the sum of its proper divisors (942252).

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

706668 is a wasteful number, since it uses less digits than its factorization.

706668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58896 (or 58894 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 706668 is about 840.6354739124. The cubic root of 706668 is about 89.0714403460.

The spelling of 706668 in words is "seven hundred six thousand, six hundred sixty-eight".