6671791 has 12 divisors (see below), whose sum is σ = 7928928. Its totient is φ = 5595072.

The previous prime is 6671767. The next prime is 6671801. The reversal of 6671791 is 1971766.

It is not a de Polignac number, because 6671791 - 2⁷ = 6671663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6671791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 855 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (660744).

Almost surely, 2^6671791 is an apocalyptic number.

6671791 is a deficient number, since it is larger than the sum of its proper divisors (1257137).

6671791 is a wasteful number, since it uses less digits than its factorization.

6671791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958 (or 2951 counting only the distinct ones).

The product of its digits is 15876, while the sum is 37.

The square root of 6671791 is about 2582.9810297406. The cubic root of 6671791 is about 188.2554152492.

The spelling of 6671791 in words is "six million, six hundred seventy-one thousand, seven hundred ninety-one".