705693697 has 2 divisors, whose sum is σ = 705693698. Its totient is φ = 705693696.

The previous prime is 705693691. The next prime is 705693731. The reversal of 705693697 is 796396507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449821681 + 255872016 = 21209^2 + 15996^2 .

It is a cyclic number.

It is not a de Polignac number, because 705693697 - 2²⁷ = 571475969 is a prime.

It is not a weakly prime, because it can be changed into another prime (705693691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352846848 + 352846849.

It is an arithmetic number, because the mean of its divisors is an integer number (352846849).

Almost surely, 2^705693697 is an apocalyptic number.

It is an amenable number.

705693697 is a deficient number, since it is larger than the sum of its proper divisors (1).

705693697 is an equidigital number, since it uses as much as digits as its factorization.

705693697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The square root of 705693697 is about 26564.8959531183. The cubic root of 705693697 is about 890.3048642074.

The spelling of 705693697 in words is "seven hundred five million, six hundred ninety-three thousand, six hundred ninety-seven".