731704203450673 has 2 divisors, whose sum is σ = 731704203450674. Its totient is φ = 731704203450672.

The previous prime is 731704203450659. The next prime is 731704203450757. The reversal of 731704203450673 is 376054302407137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542242825787664 + 189461377663009 = 23286108^2 + 13764497^2 .

It is a cyclic number.

It is not a de Polignac number, because 731704203450673 - 2⁹ = 731704203450161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 731704203450673.

It is not a weakly prime, because it can be changed into another prime (731704203450653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365852101725336 + 365852101725337.

It is an arithmetic number, because the mean of its divisors is an integer number (365852101725337).

Almost surely, 2^{731704203450673} is an apocalyptic number.

It is an amenable number.

731704203450673 is a deficient number, since it is larger than the sum of its proper divisors (1).

731704203450673 is an equidigital number, since it uses as much as digits as its factorization.

731704203450673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 52.

The spelling of 731704203450673 in words is "seven hundred thirty-one trillion, seven hundred four billion, two hundred three million, four hundred fifty thousand, six hundred seventy-three".