673710673 has 2 divisors, whose sum is σ = 673710674. Its totient is φ = 673710672.

The previous prime is 673710659. The next prime is 673710677. The reversal of 673710673 is 376017376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461046784 + 212663889 = 21472^2 + 14583^2 .

It is a cyclic number.

It is not a de Polignac number, because 673710673 - 2⁹ = 673710161 is a prime.

It is a super-2 number, since 2×673710673² = 907772141828225858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (673710677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336855336 + 336855337.

It is an arithmetic number, because the mean of its divisors is an integer number (336855337).

Almost surely, 2^673710673 is an apocalyptic number.

It is an amenable number.

673710673 is a deficient number, since it is larger than the sum of its proper divisors (1).

673710673 is an equidigital number, since it uses as much as digits as its factorization.

673710673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 673710673 is about 25955.9371435516. The cubic root of 673710673 is about 876.6464447298.

The spelling of 673710673 in words is "six hundred seventy-three million, seven hundred ten thousand, six hundred seventy-three".