6820695 has 48 divisors (see below), whose sum is σ = 13777920. Its totient is φ = 3056832.

The previous prime is 6820663. The next prime is 6820711. The reversal of 6820695 is 5960286.

It is not a de Polignac number, because 6820695 - 2⁵ = 6820663 is a prime.

6820695 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 18402 + ... + 18768.

It is an arithmetic number, because the mean of its divisors is an integer number (287040).

Almost surely, 2^6820695 is an apocalyptic number.

6820695 is an abundant number, since it is smaller than the sum of its proper divisors (6957225).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6820695 is a wasteful number, since it uses less digits than its factorization.

6820695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 6820695 is about 2611.6460326775. The cubic root of 6820695 is about 189.6456460894.

The spelling of 6820695 in words is "six million, eight hundred twenty thousand, six hundred ninety-five".