673958447 has 2 divisors, whose sum is σ = 673958448. Its totient is φ = 673958446.

The previous prime is 673958431. The next prime is 673958491. The reversal of 673958447 is 744859376.

673958447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673958447 - 2⁴ = 673958431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673958497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336979223 + 336979224.

It is an arithmetic number, because the mean of its divisors is an integer number (336979224).

Almost surely, 2^673958447 is an apocalyptic number.

673958447 is a deficient number, since it is larger than the sum of its proper divisors (1).

673958447 is an equidigital number, since it uses as much as digits as its factorization.

673958447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The square root of 673958447 is about 25960.7096782811. The cubic root of 673958447 is about 876.7539011312.

The spelling of 673958447 in words is "six hundred seventy-three million, nine hundred fifty-eight thousand, four hundred forty-seven".