705576769 has 2 divisors, whose sum is σ = 705576770. Its totient is φ = 705576768.

The previous prime is 705576731. The next prime is 705576779. The reversal of 705576769 is 967675507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496398400 + 209178369 = 22280^2 + 14463^2 .

It is a cyclic number.

It is not a de Polignac number, because 705576769 - 2¹¹ = 705574721 is a prime.

It is a super-2 number, since 2×705576769² = 995677153904958722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (705576779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352788384 + 352788385.

It is an arithmetic number, because the mean of its divisors is an integer number (352788385).

Almost surely, 2^705576769 is an apocalyptic number.

It is an amenable number.

705576769 is a deficient number, since it is larger than the sum of its proper divisors (1).

705576769 is an equidigital number, since it uses as much as digits as its factorization.

705576769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2778300, while the sum is 52.

The square root of 705576769 is about 26562.6950628132. The cubic root of 705576769 is about 890.2556892761.

The spelling of 705576769 in words is "seven hundred five million, five hundred seventy-six thousand, seven hundred sixty-nine".