6927997 has 2 divisors, whose sum is σ = 6927998. Its totient is φ = 6927996.

The previous prime is 6927979. The next prime is 6928003. The reversal of 6927997 is 7997296.

Together with previous prime (6927979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5317636 + 1610361 = 2306^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 6927997 - 2¹¹ = 6925949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6927997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6927497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3463998 + 3463999.

It is an arithmetic number, because the mean of its divisors is an integer number (3463999).

Almost surely, 2^6927997 is an apocalyptic number.

It is an amenable number.

6927997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6927997 is an equidigital number, since it uses as much as digits as its factorization.

6927997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The square root of 6927997 is about 2632.1088503328. The cubic root of 6927997 is about 190.6349670324.

The spelling of 6927997 in words is "six million, nine hundred twenty-seven thousand, nine hundred ninety-seven".