67273407767 has 2 divisors, whose sum is σ = 67273407768. Its totient is φ = 67273407766.

The previous prime is 67273407731. The next prime is 67273407781. The reversal of 67273407767 is 76770437276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67273407767 - 2¹² = 67273403671 is a prime.

It is a super-2 number, since 2×67273407767² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67273407967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33636703883 + 33636703884.

It is an arithmetic number, because the mean of its divisors is an integer number (33636703884).

Almost surely, 2^67273407767 is an apocalyptic number.

67273407767 is a deficient number, since it is larger than the sum of its proper divisors (1).

67273407767 is an equidigital number, since it uses as much as digits as its factorization.

67273407767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14521248, while the sum is 56.

The spelling of 67273407767 in words is "sixty-seven billion, two hundred seventy-three million, four hundred seven thousand, seven hundred sixty-seven".