6823632728 has 32 divisors (see below), whose sum is σ = 14194008000. Its totient is φ = 3049078560.

The previous prime is 6823632727. The next prime is 6823632743. The reversal of 6823632728 is 8272363286.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6823632721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651938 + ... + 662321.

It is an arithmetic number, because the mean of its divisors is an integer number (443562750).

Almost surely, 2^6823632728 is an apocalyptic number.

It is an amenable number.

6823632728 is an abundant number, since it is smaller than the sum of its proper divisors (7370375272).

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

6823632728 is a wasteful number, since it uses less digits than its factorization.

6823632728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314335 (or 1314331 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 6823632728 is about 82605.2826882155. The cubic root of 6823632728 is about 1896.7286948119.

The spelling of 6823632728 in words is "six billion, eight hundred twenty-three million, six hundred thirty-two thousand, seven hundred twenty-eight".