670794029 has 2 divisors, whose sum is σ = 670794030. Its totient is φ = 670794028.

The previous prime is 670794001. The next prime is 670794067. The reversal of 670794029 is 920497076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 623500900 + 47293129 = 24970^2 + 6877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670794029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670394029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335397014 + 335397015.

It is an arithmetic number, because the mean of its divisors is an integer number (335397015).

Almost surely, 2^670794029 is an apocalyptic number.

It is an amenable number.

670794029 is a deficient number, since it is larger than the sum of its proper divisors (1).

670794029 is an equidigital number, since it uses as much as digits as its factorization.

670794029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 670794029 is about 25899.6916777015. The cubic root of 670794029 is about 875.3795486455.

The spelling of 670794029 in words is "six hundred seventy million, seven hundred ninety-four thousand, twenty-nine".