5665709 has 16 divisors (see below), whose sum is σ = 7008768. Its totient is φ = 4468992.

The previous prime is 5665703. The next prime is 5665733. The reversal of 5665709 is 9075665.

It is a cyclic number.

It is not a de Polignac number, because 5665709 - 2¹² = 5661613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5087 + ... + 6099.

It is an arithmetic number, because the mean of its divisors is an integer number (438048).

Almost surely, 2^5665709 is an apocalyptic number.

It is an amenable number.

5665709 is a deficient number, since it is larger than the sum of its proper divisors (1343059).

5665709 is a wasteful number, since it uses less digits than its factorization.

5665709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 5665709 is about 2380.2749841142. The cubic root of 5665709 is about 178.2726642163.

The spelling of 5665709 in words is "five million, six hundred sixty-five thousand, seven hundred nine".