706056665 has 16 divisors (see below), whose sum is σ = 899715600. Its totient is φ = 530073600.

The previous prime is 706056647. The next prime is 706056667. The reversal of 706056665 is 566650607.

It can be written as a sum of positive squares in 8 ways, for example, as 73685056 + 632371609 = 8584^2 + 25147^2 .

It is not a de Polignac number, because 706056665 - 2⁶ = 706056601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (706056667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17765 + ... + 41565.

It is an arithmetic number, because the mean of its divisors is an integer number (56232225).

Almost surely, 2^706056665 is an apocalyptic number.

It is an amenable number.

706056665 is a deficient number, since it is larger than the sum of its proper divisors (193658935).

706056665 is a wasteful number, since it uses less digits than its factorization.

706056665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24172.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 706056665 is about 26571.7267974816. The cubic root of 706056665 is about 890.4574784788.

The spelling of 706056665 in words is "seven hundred six million, fifty-six thousand, six hundred sixty-five".