6117709 has 4 divisors (see below), whose sum is σ = 6588316. Its totient is φ = 5647104.

The previous prime is 6117697. The next prime is 6117721. The reversal of 6117709 is 9077116.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6117697) and next prime (6117721).

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 3912484 = 1485^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 6117709 - 2⁷ = 6117581 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 (6117779) 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 3 ways as a sum of consecutive naturals, for example, 235284 + ... + 235309.

It is an arithmetic number, because the mean of its divisors is an integer number (1647079).

Almost surely, 2^6117709 is an apocalyptic number.

It is an amenable number.

6117709 is a deficient number, since it is larger than the sum of its proper divisors (470607).

6117709 is a wasteful number, since it uses less digits than its factorization.

6117709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470606.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 6117709 is about 2473.4002910973. The cubic root of 6117709 is about 182.8926580419.

The spelling of 6117709 in words is "six million, one hundred seventeen thousand, seven hundred nine".