7066859 has 2 divisors, whose sum is σ = 7066860. Its totient is φ = 7066858.

The previous prime is 7066847. The next prime is 7066909. The reversal of 7066859 is 9586607.

It is a happy number.

7066859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7066859 is a prime.

It is a super-3 number, since 3×7066859³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7066259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533429 + 3533430.

It is an arithmetic number, because the mean of its divisors is an integer number (3533430).

Almost surely, 2^7066859 is an apocalyptic number.

7066859 is a deficient number, since it is larger than the sum of its proper divisors (1).

7066859 is an equidigital number, since it uses as much as digits as its factorization.

7066859 is an odious number, because the sum of its binary digits is odd.

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

The square root of 7066859 is about 2658.3564471304. The cubic root of 7066859 is about 191.9002212317.

The spelling of 7066859 in words is "seven million, sixty-six thousand, eight hundred fifty-nine".