673702357 has 2 divisors, whose sum is σ = 673702358. Its totient is φ = 673702356.

The previous prime is 673702331. The next prime is 673702387. The reversal of 673702357 is 753207376.

It is a happy number.

673702357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 647906116 + 25796241 = 25454^2 + 5079^2 .

It is a cyclic number.

It is not a de Polignac number, because 673702357 - 2²⁷ = 539484629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673702387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336851178 + 336851179.

It is an arithmetic number, because the mean of its divisors is an integer number (336851179).

Almost surely, 2^673702357 is an apocalyptic number.

It is an amenable number.

673702357 is a deficient number, since it is larger than the sum of its proper divisors (1).

673702357 is an equidigital number, since it uses as much as digits as its factorization.

673702357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185220, while the sum is 40.

The square root of 673702357 is about 25955.7769484945. The cubic root of 673702357 is about 876.6428377304.

The spelling of 673702357 in words is "six hundred seventy-three million, seven hundred two thousand, three hundred fifty-seven".