67868219 has 2 divisors, whose sum is σ = 67868220. Its totient is φ = 67868218.

The previous prime is 67868201. The next prime is 67868237. The reversal of 67868219 is 91286876.

It is a balanced prime because it is at equal distance from previous prime (67868201) and next prime (67868237).

It is a cyclic number.

It is not a de Polignac number, because 67868219 - 2¹² = 67864123 is a prime.

It is a super-2 number, since 2×67868219² = 9212190300463922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67268219) 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, 33934109 + 33934110.

It is an arithmetic number, because the mean of its divisors is an integer number (33934110).

Almost surely, 2^67868219 is an apocalyptic number.

67868219 is a deficient number, since it is larger than the sum of its proper divisors (1).

67868219 is an equidigital number, since it uses as much as digits as its factorization.

67868219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 67868219 is about 8238.2169794198. The cubic root of 67868219 is about 407.9016707647.

The spelling of 67868219 in words is "sixty-seven million, eight hundred sixty-eight thousand, two hundred nineteen".