705764417 has 2 divisors, whose sum is σ = 705764418. Its totient is φ = 705764416.

The previous prime is 705764413. The next prime is 705764497. The reversal of 705764417 is 714467507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655411201 + 50353216 = 25601^2 + 7096^2 .

It is a cyclic number.

It is not a de Polignac number, because 705764417 - 2² = 705764413 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (705764413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352882208 + 352882209.

It is an arithmetic number, because the mean of its divisors is an integer number (352882209).

Almost surely, 2^705764417 is an apocalyptic number.

It is an amenable number.

705764417 is a deficient number, since it is larger than the sum of its proper divisors (1).

705764417 is an equidigital number, since it uses as much as digits as its factorization.

705764417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 705764417 is about 26566.2269997077. The cubic root of 705764417 is about 890.3346033880.

The spelling of 705764417 in words is "seven hundred five million, seven hundred sixty-four thousand, four hundred seventeen".