67366589 has 2 divisors, whose sum is σ = 67366590. Its totient is φ = 67366588.

The previous prime is 67366583. The next prime is 67366667. The reversal of 67366589 is 98566376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62884900 + 4481689 = 7930^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 67366589 - 2¹⁶ = 67301053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67366583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33683294 + 33683295.

It is an arithmetic number, because the mean of its divisors is an integer number (33683295).

Almost surely, 2^67366589 is an apocalyptic number.

It is an amenable number.

67366589 is a deficient number, since it is larger than the sum of its proper divisors (1).

67366589 is an equidigital number, since it uses as much as digits as its factorization.

67366589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 67366589 is about 8207.7152119210. The cubic root of 67366589 is about 406.8942187771.

The spelling of 67366589 in words is "sixty-seven million, three hundred sixty-six thousand, five hundred eighty-nine".