673449743 has 2 divisors, whose sum is σ = 673449744. Its totient is φ = 673449742.

The previous prime is 673449701. The next prime is 673449787. The reversal of 673449743 is 347944376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673449743 - 2¹⁰ = 673448719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673449643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336724871 + 336724872.

It is an arithmetic number, because the mean of its divisors is an integer number (336724872).

Almost surely, 2^673449743 is an apocalyptic number.

673449743 is a deficient number, since it is larger than the sum of its proper divisors (1).

673449743 is an equidigital number, since it uses as much as digits as its factorization.

673449743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 47.

The square root of 673449743 is about 25950.9102537849. The cubic root of 673449743 is about 876.5332542543.

The spelling of 673449743 in words is "six hundred seventy-three million, four hundred forty-nine thousand, seven hundred forty-three".