6696709 has 8 divisors (see below), whose sum is σ = 7059960. Its totient is φ = 6342336.

The previous prime is 6696707. The next prime is 6696743. The reversal of 6696709 is 9076966.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4088484 + 2608225 = 2022^2 + 1615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6696709 - 2¹ = 6696707 is a prime.

It is a super-2 number, since 2×6696709² = 89691822861362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6696707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642 + ... + 3715.

It is an arithmetic number, because the mean of its divisors is an integer number (882495).

Almost surely, 2^6696709 is an apocalyptic number.

It is an amenable number.

6696709 is a deficient number, since it is larger than the sum of its proper divisors (363251).

6696709 is a wasteful number, since it uses less digits than its factorization.

6696709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439.

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

The square root of 6696709 is about 2587.8000309143. The cubic root of 6696709 is about 188.4894913546.

The spelling of 6696709 in words is "six million, six hundred ninety-six thousand, seven hundred nine".