8066709 has 40 divisors (see below), whose sum is σ = 14148288. Its totient is φ = 4484160.

The previous prime is 8066689. The next prime is 8066717. The reversal of 8066709 is 9076608.

It is not a de Polignac number, because 8066709 - 2⁵ = 8066677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8066749) 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 in 39 ways as a sum of consecutive naturals, for example, 23074 + ... + 23420.

Almost surely, 2^8066709 is an apocalyptic number.

It is an amenable number.

8066709 is a deficient number, since it is larger than the sum of its proper divisors (6081579).

8066709 is a wasteful number, since it uses less digits than its factorization.

8066709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 8066709 is about 2840.1952397679. The cubic root of 8066709 is about 200.5543702815.

The spelling of 8066709 in words is "eight million, sixty-six thousand, seven hundred nine".