6997967 has 2 divisors, whose sum is σ = 6997968. Its totient is φ = 6997966.

The previous prime is 6997937. The next prime is 6998009. The reversal of 6997967 is 7697996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6997967 - 2²² = 2803663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6997927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3498983 + 3498984.

It is an arithmetic number, because the mean of its divisors is an integer number (3498984).

Almost surely, 2^6997967 is an apocalyptic number.

6997967 is a deficient number, since it is larger than the sum of its proper divisors (1).

6997967 is an equidigital number, since it uses as much as digits as its factorization.

6997967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1285956, while the sum is 53.

The square root of 6997967 is about 2645.3670822780. The cubic root of 6997967 is about 191.2745974884.

The spelling of 6997967 in words is "six million, nine hundred ninety-seven thousand, nine hundred sixty-seven".