6691797 has 12 divisors (see below), whose sum is σ = 11046880. Its totient is φ = 3823848.

The previous prime is 6691793. The next prime is 6691799. The reversal of 6691797 is 7971966.

6691797 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6691797 - 2² = 6691793 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 (6691793) 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 11 ways as a sum of consecutive naturals, for example, 53047 + ... + 53172.

Almost surely, 2^6691797 is an apocalyptic number.

It is an amenable number.

6691797 is a deficient number, since it is larger than the sum of its proper divisors (4355083).

6691797 is a wasteful number, since it uses less digits than its factorization.

6691797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106232 (or 106229 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 6691797 is about 2586.8507881206. The cubic root of 6691797 is about 188.4433947398.

The spelling of 6691797 in words is "six million, six hundred ninety-one thousand, seven hundred ninety-seven".