67989067 has 2 divisors, whose sum is σ = 67989068. Its totient is φ = 67989066.

The previous prime is 67989037. The next prime is 67989071. The reversal of 67989067 is 76098976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67989067 - 2⁷ = 67988939 is a prime.

It is not a weakly prime, because it can be changed into another prime (67989037) 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, 33994533 + 33994534.

It is an arithmetic number, because the mean of its divisors is an integer number (33994534).

Almost surely, 2^67989067 is an apocalyptic number.

67989067 is a deficient number, since it is larger than the sum of its proper divisors (1).

67989067 is an equidigital number, since it uses as much as digits as its factorization.

67989067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 67989067 is about 8245.5483140905. The cubic root of 67989067 is about 408.1436341491.

The spelling of 67989067 in words is "sixty-seven million, nine hundred eighty-nine thousand, sixty-seven".