673399327 has 2 divisors, whose sum is σ = 673399328. Its totient is φ = 673399326.

The previous prime is 673399319. The next prime is 673399333. The reversal of 673399327 is 723993376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673399327 - 2³ = 673399319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673393327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336699663 + 336699664.

It is an arithmetic number, because the mean of its divisors is an integer number (336699664).

Almost surely, 2^673399327 is an apocalyptic number.

673399327 is a deficient number, since it is larger than the sum of its proper divisors (1).

673399327 is an equidigital number, since it uses as much as digits as its factorization.

673399327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 49.

The square root of 673399327 is about 25949.9388631264. The cubic root of 673399327 is about 876.5113806086.

The spelling of 673399327 in words is "six hundred seventy-three million, three hundred ninety-nine thousand, three hundred twenty-seven".