67968293 has 2 divisors, whose sum is σ = 67968294. Its totient is φ = 67968292.

The previous prime is 67968281. The next prime is 67968311. The reversal of 67968293 is 39286976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 4255969 = 7982^2 + 2063^2 .

It is a cyclic number.

It is not a de Polignac number, because 67968293 - 2¹⁰ = 67967269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67968793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33984146 + 33984147.

It is an arithmetic number, because the mean of its divisors is an integer number (33984147).

Almost surely, 2^67968293 is an apocalyptic number.

It is an amenable number.

67968293 is a deficient number, since it is larger than the sum of its proper divisors (1).

67968293 is an equidigital number, since it uses as much as digits as its factorization.

67968293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 67968293 is about 8244.2885078095. The cubic root of 67968293 is about 408.1020606043.

The spelling of 67968293 in words is "sixty-seven million, nine hundred sixty-eight thousand, two hundred ninety-three".