706667770 has 8 divisors (see below), whose sum is σ = 1272002004. Its totient is φ = 282667104.

The previous prime is 706667749. The next prime is 706667771. The reversal of 706667770 is 77766607.

It can be written as a sum of positive squares in 2 ways, for example, as 706655889 + 11881 = 26583^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 706667770.

It is not an unprimeable number, because it can be changed into a prime (706667771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35333379 + ... + 35333398.

Almost surely, 2^706667770 is an apocalyptic number.

706667770 is a deficient number, since it is larger than the sum of its proper divisors (565334234).

706667770 is a wasteful number, since it uses less digits than its factorization.

706667770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70666784.

The product of its (nonzero) digits is 518616, while the sum is 46.

The square root of 706667770 is about 26583.2234689475. The cubic root of 706667770 is about 890.7143068258.

The spelling of 706667770 in words is "seven hundred six million, six hundred sixty-seven thousand, seven hundred seventy".