673861267 has 2 divisors, whose sum is σ = 673861268. Its totient is φ = 673861266.

The previous prime is 673861261. The next prime is 673861271. The reversal of 673861267 is 762168376.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673861267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (673861261) 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, 336930633 + 336930634.

It is an arithmetic number, because the mean of its divisors is an integer number (336930634).

Almost surely, 2^673861267 is an apocalyptic number.

673861267 is a deficient number, since it is larger than the sum of its proper divisors (1).

673861267 is an equidigital number, since it uses as much as digits as its factorization.

673861267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 673861267 is about 25958.8379362405. The cubic root of 673861267 is about 876.7117585530.

The spelling of 673861267 in words is "six hundred seventy-three million, eight hundred sixty-one thousand, two hundred sixty-seven".