6968905 has 4 divisors (see below), whose sum is σ = 8362692. Its totient is φ = 5575120.

The previous prime is 6968891. The next prime is 6968909. The reversal of 6968905 is 5098696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4609609 + 2359296 = 2147^2 + 1536^2 .

It is not a de Polignac number, because 6968905 - 2⁵ = 6968873 is a prime.

It is a Duffinian number.

6968905 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6968909) 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, 696886 + ... + 696895.

It is an arithmetic number, because the mean of its divisors is an integer number (2090673).

Almost surely, 2^6968905 is an apocalyptic number.

It is an amenable number.

6968905 is a deficient number, since it is larger than the sum of its proper divisors (1393787).

6968905 is a wasteful number, since it uses less digits than its factorization.

6968905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393786.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 6968905 is about 2639.8683679305. The cubic root of 6968905 is about 191.0094473731.

The spelling of 6968905 in words is "six million, nine hundred sixty-eight thousand, nine hundred five".