6807997 has 8 divisors (see below), whose sum is σ = 7946496. Its totient is φ = 5710992.

The previous prime is 6807979. The next prime is 6808001. The reversal of 6807997 is 7997086.

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

It is not a de Polignac number, because 6807997 - 2⁷ = 6807869 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 (6807397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10018 + ... + 10675.

It is an arithmetic number, because the mean of its divisors is an integer number (993312).

Almost surely, 2^6807997 is an apocalyptic number.

It is an amenable number.

6807997 is a deficient number, since it is larger than the sum of its proper divisors (1138499).

6807997 is a wasteful number, since it uses less digits than its factorization.

6807997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20747.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 6807997 is about 2609.2138662823. The cubic root of 6807997 is about 189.5278860297.

The spelling of 6807997 in words is "six million, eight hundred seven thousand, nine hundred ninety-seven".