67327889 has 2 divisors, whose sum is σ = 67327890. Its totient is φ = 67327888.

The previous prime is 67327873. The next prime is 67327891. The reversal of 67327889 is 98872376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 29073664 = 6185^2 + 5392^2 .

It is a cyclic number.

It is not a de Polignac number, because 67327889 - 2⁴ = 67327873 is a prime.

Together with 67327891, 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 (67327859) 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, 33663944 + 33663945.

It is an arithmetic number, because the mean of its divisors is an integer number (33663945).

Almost surely, 2^67327889 is an apocalyptic number.

It is an amenable number.

67327889 is a deficient number, since it is larger than the sum of its proper divisors (1).

67327889 is an equidigital number, since it uses as much as digits as its factorization.

67327889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 67327889 is about 8205.3573353023. The cubic root of 67327889 is about 406.8162878481.

The spelling of 67327889 in words is "sixty-seven million, three hundred twenty-seven thousand, eight hundred eighty-nine".