68845067 has 2 divisors, whose sum is σ = 68845068. Its totient is φ = 68845066.

The previous prime is 68845061. The next prime is 68845069. The reversal of 68845067 is 76054886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68845067 - 2¹⁸ = 68582923 is a prime.

Together with 68845069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68845061) 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, 34422533 + 34422534.

It is an arithmetic number, because the mean of its divisors is an integer number (34422534).

Almost surely, 2^68845067 is an apocalyptic number.

68845067 is a deficient number, since it is larger than the sum of its proper divisors (1).

68845067 is an equidigital number, since it uses as much as digits as its factorization.

68845067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 68845067 is about 8297.2927512533. The cubic root of 68845067 is about 409.8493735808.

The spelling of 68845067 in words is "sixty-eight million, eight hundred forty-five thousand, sixty-seven".