673391713 has 2 divisors, whose sum is σ = 673391714. Its totient is φ = 673391712.

The previous prime is 673391689. The next prime is 673391717. The reversal of 673391713 is 317193376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589906944 + 83484769 = 24288^2 + 9137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673391713 is a prime.

It is not a weakly prime, because it can be changed into another prime (673391717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336695856 + 336695857.

It is an arithmetic number, because the mean of its divisors is an integer number (336695857).

Almost surely, 2^673391713 is an apocalyptic number.

It is an amenable number.

673391713 is a deficient number, since it is larger than the sum of its proper divisors (1).

673391713 is an equidigital number, since it uses as much as digits as its factorization.

673391713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 40.

The square root of 673391713 is about 25949.7921571638. The cubic root of 673391713 is about 876.5080770795.

The spelling of 673391713 in words is "six hundred seventy-three million, three hundred ninety-one thousand, seven hundred thirteen".