6997927 has 2 divisors, whose sum is σ = 6997928. Its totient is φ = 6997926.

The previous prime is 6997901. The next prime is 6997937. The reversal of 6997927 is 7297996.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6997927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6997937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3498963 + 3498964.

It is an arithmetic number, because the mean of its divisors is an integer number (3498964).

Almost surely, 2^6997927 is an apocalyptic number.

6997927 is a deficient number, since it is larger than the sum of its proper divisors (1).

6997927 is an equidigital number, since it uses as much as digits as its factorization.

6997927 is an evil number, because the sum of its binary digits is even.

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

The square root of 6997927 is about 2645.3595218798. The cubic root of 6997927 is about 191.2742330493.

The spelling of 6997927 in words is "six million, nine hundred ninety-seven thousand, nine hundred twenty-seven".