706661707 has 2 divisors, whose sum is σ = 706661708. Its totient is φ = 706661706.

The previous prime is 706661687. The next prime is 706661713. The reversal of 706661707 is 707166607.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706661707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 706661707.

It is not a weakly prime, because it can be changed into another prime (706661777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353330853 + 353330854.

It is an arithmetic number, because the mean of its divisors is an integer number (353330854).

Almost surely, 2^706661707 is an apocalyptic number.

706661707 is a deficient number, since it is larger than the sum of its proper divisors (1).

706661707 is an equidigital number, since it uses as much as digits as its factorization.

706661707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 706661707 is about 26583.1094306140. The cubic root of 706661707 is about 890.7117594636.

The spelling of 706661707 in words is "seven hundred six million, six hundred sixty-one thousand, seven hundred seven".