670960769 has 2 divisors, whose sum is σ = 670960770. Its totient is φ = 670960768.

The previous prime is 670960747. The next prime is 670960783. The reversal of 670960769 is 967069076.

It is a happy number.

670960769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443313025 + 227647744 = 21055^2 + 15088^2 .

It is a cyclic number.

It is not a de Polignac number, because 670960769 - 2¹⁶ = 670895233 is a prime.

It is a super-2 number, since 2×670960769² = 900376707074142722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670965769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335480384 + 335480385.

It is an arithmetic number, because the mean of its divisors is an integer number (335480385).

Almost surely, 2^670960769 is an apocalyptic number.

It is an amenable number.

670960769 is a deficient number, since it is larger than the sum of its proper divisors (1).

670960769 is an equidigital number, since it uses as much as digits as its factorization.

670960769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 670960769 is about 25902.9104349299. The cubic root of 670960769 is about 875.4520739849.

The spelling of 670960769 in words is "six hundred seventy million, nine hundred sixty thousand, seven hundred sixty-nine".