706136660 has 24 divisors (see below), whose sum is σ = 1534022280. Its totient is φ = 272714624.

The previous prime is 706136659. The next prime is 706136663. The reversal of 706136660 is 66631607.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53027524 + 653109136 = 7282^2 + 25556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 706136660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706136663) 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 7 ways as a sum of consecutive naturals, for example, 608159 + ... + 609318.

It is an arithmetic number, because the mean of its divisors is an integer number (63917595).

Almost surely, 2^706136660 is an apocalyptic number.

It is an amenable number.

706136660 is an abundant number, since it is smaller than the sum of its proper divisors (827885620).

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

706136660 is a wasteful number, since it uses less digits than its factorization.

706136660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217515 (or 1217513 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 706136660 is about 26573.2320202116. The cubic root of 706136660 is about 890.4911063067.

The spelling of 706136660 in words is "seven hundred six million, one hundred thirty-six thousand, six hundred sixty".