673373291 has 2 divisors, whose sum is σ = 673373292. Its totient is φ = 673373290.

The previous prime is 673373287. The next prime is 673373339. The reversal of 673373291 is 192373376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673373291 - 2² = 673373287 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (673373251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336686645 + 336686646.

It is an arithmetic number, because the mean of its divisors is an integer number (336686646).

Almost surely, 2^673373291 is an apocalyptic number.

673373291 is a deficient number, since it is larger than the sum of its proper divisors (1).

673373291 is an equidigital number, since it uses as much as digits as its factorization.

673373291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 41.

The square root of 673373291 is about 25949.4372000627. The cubic root of 673373291 is about 876.5000841195.

The spelling of 673373291 in words is "six hundred seventy-three million, three hundred seventy-three thousand, two hundred ninety-one".