6729658812 has 36 divisors (see below), whose sum is σ = 17034806880. Its totient is φ = 2240091072.

The previous prime is 6729658787. The next prime is 6729658813. The reversal of 6729658812 is 2188569276.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729658813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104113 + ... + 155880.

It is an arithmetic number, because the mean of its divisors is an integer number (473189080).

Almost surely, 2^6729658812 is an apocalyptic number.

It is an amenable number.

6729658812 is an abundant number, since it is smaller than the sum of its proper divisors (10305148068).

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

6729658812 is a wasteful number, since it uses less digits than its factorization.

6729658812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260722 (or 260717 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 6729658812 is about 82034.4976945675. The cubic root of 6729658812 is about 1887.9812727812.

The spelling of 6729658812 in words is "six billion, seven hundred twenty-nine million, six hundred fifty-eight thousand, eight hundred twelve".