673063637 has 2 divisors, whose sum is σ = 673063638. Its totient is φ = 673063636.

The previous prime is 673063631. The next prime is 673063669. The reversal of 673063637 is 736360376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626701156 + 46362481 = 25034^2 + 6809^2 .

It is a cyclic number.

It is not a de Polignac number, because 673063637 - 2⁴ = 673063621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673063594 and 673063603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673063631) 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, 336531818 + 336531819.

It is an arithmetic number, because the mean of its divisors is an integer number (336531819).

Almost surely, 2^673063637 is an apocalyptic number.

It is an amenable number.

673063637 is a deficient number, since it is larger than the sum of its proper divisors (1).

673063637 is an equidigital number, since it uses as much as digits as its factorization.

673063637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 41.

The square root of 673063637 is about 25943.4700261935. The cubic root of 673063637 is about 876.3657092368.

The spelling of 673063637 in words is "six hundred seventy-three million, sixty-three thousand, six hundred thirty-seven".