673505267 has 2 divisors, whose sum is σ = 673505268. Its totient is φ = 673505266.

The previous prime is 673505263. The next prime is 673505281. The reversal of 673505267 is 762505376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673505267 - 2² = 673505263 is a prime.

It is not a weakly prime, because it can be changed into another prime (673505263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336752633 + 336752634.

It is an arithmetic number, because the mean of its divisors is an integer number (336752634).

Almost surely, 2^673505267 is an apocalyptic number.

673505267 is a deficient number, since it is larger than the sum of its proper divisors (1).

673505267 is an equidigital number, since it uses as much as digits as its factorization.

673505267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 41.

The square root of 673505267 is about 25951.9800208000. The cubic root of 673505267 is about 876.5573428100.

The spelling of 673505267 in words is "six hundred seventy-three million, five hundred five thousand, two hundred sixty-seven".