6929479 has 2 divisors, whose sum is σ = 6929480. Its totient is φ = 6929478.

The previous prime is 6929467. The next prime is 6929497. The reversal of 6929479 is 9749296.

Together with next prime (6929497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6929479 is a prime.

It is a super-2 number, since 2×6929479² = 96035358422882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6923479) 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, 3464739 + 3464740.

It is an arithmetic number, because the mean of its divisors is an integer number (3464740).

Almost surely, 2^6929479 is an apocalyptic number.

6929479 is a deficient number, since it is larger than the sum of its proper divisors (1).

6929479 is an equidigital number, since it uses as much as digits as its factorization.

6929479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 6929479 is about 2632.3903585905. The cubic root of 6929479 is about 190.6485592668.

The spelling of 6929479 in words is "six million, nine hundred twenty-nine thousand, four hundred seventy-nine".