673544741 has 2 divisors, whose sum is σ = 673544742. Its totient is φ = 673544740.

The previous prime is 673544701. The next prime is 673544759. The reversal of 673544741 is 147445376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649740100 + 23804641 = 25490^2 + 4879^2 .

It is a cyclic number.

It is not a de Polignac number, because 673544741 - 2¹⁴ = 673528357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673544701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336772370 + 336772371.

It is an arithmetic number, because the mean of its divisors is an integer number (336772371).

Almost surely, 2^673544741 is an apocalyptic number.

It is an amenable number.

673544741 is a deficient number, since it is larger than the sum of its proper divisors (1).

673544741 is an equidigital number, since it uses as much as digits as its factorization.

673544741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 673544741 is about 25952.7405296628. The cubic root of 673544741 is about 876.5744674218.

The spelling of 673544741 in words is "six hundred seventy-three million, five hundred forty-four thousand, seven hundred forty-one".