673647059 has 2 divisors, whose sum is σ = 673647060. Its totient is φ = 673647058.

The previous prime is 673647047. The next prime is 673647101. The reversal of 673647059 is 950746376.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673647059 - 2⁸ = 673646803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (673647659) 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, 336823529 + 336823530.

It is an arithmetic number, because the mean of its divisors is an integer number (336823530).

Almost surely, 2^673647059 is an apocalyptic number.

673647059 is a deficient number, since it is larger than the sum of its proper divisors (1).

673647059 is an equidigital number, since it uses as much as digits as its factorization.

673647059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 673647059 is about 25954.7116917141. The cubic root of 673647059 is about 876.6188519047.

The spelling of 673647059 in words is "six hundred seventy-three million, six hundred forty-seven thousand, fifty-nine".