7066699 has 2 divisors, whose sum is σ = 7066700. Its totient is φ = 7066698.

The previous prime is 7066643. The next prime is 7066721. The reversal of 7066699 is 9966607.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7066699 - 2⁷ = 7066571 is a prime.

It is not a weakly prime, because it can be changed into another prime (7066639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533349 + 3533350.

It is an arithmetic number, because the mean of its divisors is an integer number (3533350).

Almost surely, 2^7066699 is an apocalyptic number.

7066699 is a deficient number, since it is larger than the sum of its proper divisors (1).

7066699 is an equidigital number, since it uses as much as digits as its factorization.

7066699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 7066699 is about 2658.3263531779. The cubic root of 7066699 is about 191.8987729566.

The spelling of 7066699 in words is "seven million, sixty-six thousand, six hundred ninety-nine".