6694967 has 4 divisors (see below), whose sum is σ = 6700176. Its totient is φ = 6689760.

The previous prime is 6694949. The next prime is 6694979. The reversal of 6694967 is 7694966.

6694967 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6694967 - 2⁸ = 6694711 is a prime.

It is a d-powerful number, because it can be written as 6² + 6⁶ + 9⁴ + 4⁸ + 9⁶ + 6⁷ + 7⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (1675044).

Almost surely, 2^6694967 is an apocalyptic number.

6694967 is a deficient number, since it is larger than the sum of its proper divisors (5209).

6694967 is a wasteful number, since it uses less digits than its factorization.

6694967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208.

The product of its digits is 489888, while the sum is 47.

The square root of 6694967 is about 2587.4634296933. The cubic root of 6694967 is about 188.4731461533.

Subtracting 6694967 from its reverse (7694966), we obtain a palindrome (999999).

The spelling of 6694967 in words is "six million, six hundred ninety-four thousand, nine hundred sixty-seven".