67605089 has 2 divisors, whose sum is σ = 67605090. Its totient is φ = 67605088.

The previous prime is 67605071. The next prime is 67605103. The reversal of 67605089 is 98050676.

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., 51724864 + 15880225 = 7192^2 + 3985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67605089 is a prime.

It is a super-3 number, since 3×67605089³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67605049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33802544 + 33802545.

It is an arithmetic number, because the mean of its divisors is an integer number (33802545).

Almost surely, 2^67605089 is an apocalyptic number.

It is an amenable number.

67605089 is a deficient number, since it is larger than the sum of its proper divisors (1).

67605089 is an equidigital number, since it uses as much as digits as its factorization.

67605089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 67605089 is about 8222.2313881330. The cubic root of 67605089 is about 407.3738332487.

The spelling of 67605089 in words is "sixty-seven million, six hundred five thousand, eighty-nine".