673407353 has 2 divisors, whose sum is σ = 673407354. Its totient is φ = 673407352.

The previous prime is 673407283. The next prime is 673407373. The reversal of 673407353 is 353704376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350737984 + 322669369 = 18728^2 + 17963^2 .

It is a cyclic number.

It is not a de Polignac number, because 673407353 - 2¹² = 673403257 is a prime.

It is not a weakly prime, because it can be changed into another prime (673407373) 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, 336703676 + 336703677.

It is an arithmetic number, because the mean of its divisors is an integer number (336703677).

Almost surely, 2^673407353 is an apocalyptic number.

It is an amenable number.

673407353 is a deficient number, since it is larger than the sum of its proper divisors (1).

673407353 is an equidigital number, since it uses as much as digits as its factorization.

673407353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 38.

The square root of 673407353 is about 25950.0935065753. The cubic root of 673407353 is about 876.5148628675.

The spelling of 673407353 in words is "six hundred seventy-three million, four hundred seven thousand, three hundred fifty-three".