670337243 has 2 divisors, whose sum is σ = 670337244. Its totient is φ = 670337242.

The previous prime is 670337209. The next prime is 670337321. The reversal of 670337243 is 342733076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670337243 - 2⁶ = 670337179 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670337203) 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, 335168621 + 335168622.

It is an arithmetic number, because the mean of its divisors is an integer number (335168622).

Almost surely, 2^670337243 is an apocalyptic number.

670337243 is a deficient number, since it is larger than the sum of its proper divisors (1).

670337243 is an equidigital number, since it uses as much as digits as its factorization.

670337243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 35.

The square root of 670337243 is about 25890.8718084193. The cubic root of 670337243 is about 875.1808031275.

The spelling of 670337243 in words is "six hundred seventy million, three hundred thirty-seven thousand, two hundred forty-three".