6801709 has 4 divisors (see below), whose sum is σ = 6864220. Its totient is φ = 6739200.

The previous prime is 6801703. The next prime is 6801713. The reversal of 6801709 is 9071086.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5904900 + 896809 = 2430^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 6801709 - 2¹³ = 6793517 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 (6801703) 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, 31092 + ... + 31309.

It is an arithmetic number, because the mean of its divisors is an integer number (1716055).

Almost surely, 2^6801709 is an apocalyptic number.

It is an amenable number.

6801709 is a deficient number, since it is larger than the sum of its proper divisors (62511).

6801709 is a wasteful number, since it uses less digits than its factorization.

6801709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62510.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 6801709 is about 2608.0086272863. The cubic root of 6801709 is about 189.4695174942.

The spelling of 6801709 in words is "six million, eight hundred one thousand, seven hundred nine".