6756541812 has 72 divisors (see below), whose sum is σ = 18117642816. Its totient is φ = 2115719424.

The previous prime is 6756541811. The next prime is 6756541837. The reversal of 6756541812 is 2181456576.

6756541812 is a `hidden beast` number, since 6 + 7 + 565 + 4 + 1 + 81 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6756541811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324673 + ... + 344855.

It is an arithmetic number, because the mean of its divisors is an integer number (251633928).

Almost surely, 2^6756541812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6756541812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9058821408).

6756541812 is an abundant number, since it is smaller than the sum of its proper divisors (11361101004).

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

6756541812 is a wasteful number, since it uses less digits than its factorization.

6756541812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757 (or 20752 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 6756541812 is about 82198.1861843678. The cubic root of 6756541812 is about 1890.4919085774.

The spelling of 6756541812 in words is "six billion, seven hundred fifty-six million, five hundred forty-one thousand, eight hundred twelve".