673384837 has 2 divisors, whose sum is σ = 673384838. Its totient is φ = 673384836.

The previous prime is 673384819. The next prime is 673384879. The reversal of 673384837 is 738483376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373610241 + 299774596 = 19329^2 + 17314^2 .

It is a cyclic number.

It is not a de Polignac number, because 673384837 - 2⁷ = 673384709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673381837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336692418 + 336692419.

It is an arithmetic number, because the mean of its divisors is an integer number (336692419).

Almost surely, 2^673384837 is an apocalyptic number.

It is an amenable number.

673384837 is a deficient number, since it is larger than the sum of its proper divisors (1).

673384837 is an equidigital number, since it uses as much as digits as its factorization.

673384837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 49.

The square root of 673384837 is about 25949.6596702153. The cubic root of 673384837 is about 876.5050937292.

The spelling of 673384837 in words is "six hundred seventy-three million, three hundred eighty-four thousand, eight hundred thirty-seven".