67489 has 2 divisors, whose sum is σ = 67490. Its totient is φ = 67488.

The previous prime is 67481. The next prime is 67493. The reversal of 67489 is 98476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36864 + 30625 = 192^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 67489 - 2³ = 67481 is a prime.

It is not a weakly prime, because it can be changed into another prime (67481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33744 + 33745.

It is an arithmetic number, because the mean of its divisors is an integer number (33745).

2⁶⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

67489 is a deficient number, since it is larger than the sum of its proper divisors (1).

67489 is an equidigital number, since it uses as much as digits as its factorization.

67489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 67489 is about 259.7864507629. The cubic root of 67489 is about 40.7140523811.

The spelling of 67489 in words is "sixty-seven thousand, four hundred eighty-nine".