6999379 has 2 divisors, whose sum is σ = 6999380. Its totient is φ = 6999378.

The previous prime is 6999373. The next prime is 6999389. The reversal of 6999379 is 9739996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6999379 - 2¹⁷ = 6868307 is a prime.

It is not a weakly prime, because it can be changed into another prime (6999373) 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 as a sum of consecutive naturals, namely, 3499689 + 3499690.

It is an arithmetic number, because the mean of its divisors is an integer number (3499690).

Almost surely, 2^6999379 is an apocalyptic number.

6999379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6999379 is an equidigital number, since it uses as much as digits as its factorization.

6999379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 826686, while the sum is 52.

The square root of 6999379 is about 2645.6339504928. The cubic root of 6999379 is about 191.2874612992.

The spelling of 6999379 in words is "six million, nine hundred ninety-nine thousand, three hundred seventy-nine".