6812574223720 has 64 divisors (see below), whose sum is σ = 15783511821840. Its totient is φ = 2644790476800.

The previous prime is 6812574223669. The next prime is 6812574223817. The reversal of 6812574223720 is 273224752186.

It can be written as a sum of positive squares in 8 ways, for example, as 61962162084 + 6750612061636 = 248922^2 + 2598194^2 .

It is a super-2 number, since 2×6812574223720² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10445161 + ... + 11078200.

Almost surely, 2^{6812574223720} is an apocalyptic number.

It is an amenable number.

6812574223720 is an abundant number, since it is smaller than the sum of its proper divisors (8970937598120).

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

6812574223720 is a wasteful number, since it uses less digits than its factorization.

6812574223720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523606 (or 21523602 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 6812574223720 in words is "six trillion, eight hundred twelve billion, five hundred seventy-four million, two hundred twenty-three thousand, seven hundred twenty".