676740671 has 2 divisors, whose sum is σ = 676740672. Its totient is φ = 676740670.

The previous prime is 676740637. The next prime is 676740697. The reversal of 676740671 is 176047676.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676740671 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 (676740601) 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, 338370335 + 338370336.

It is an arithmetic number, because the mean of its divisors is an integer number (338370336).

Almost surely, 2^676740671 is an apocalyptic number.

676740671 is a deficient number, since it is larger than the sum of its proper divisors (1).

676740671 is an equidigital number, since it uses as much as digits as its factorization.

676740671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 676740671 is about 26014.2397736317. The cubic root of 676740671 is about 877.9587116911.

The spelling of 676740671 in words is "six hundred seventy-six million, seven hundred forty thousand, six hundred seventy-one".