6806743720 has 64 divisors (see below), whose sum is σ = 17568316800. Its totient is φ = 2325039360.

The previous prime is 6806743703. The next prime is 6806743777. The reversal of 6806743720 is 273476086.

It is a happy number.

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, 30135 + ... + 120505.

It is an arithmetic number, because the mean of its divisors is an integer number (274504950).

Almost surely, 2^6806743720 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 6806743720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8784158400).

6806743720 is an abundant number, since it is smaller than the sum of its proper divisors (10761573080).

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

6806743720 is a wasteful number, since it uses less digits than its factorization.

6806743720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90658 (or 90654 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 6806743720 is about 82502.9921881625. The cubic root of 6806743720 is about 1895.1625529181.

The spelling of 6806743720 in words is "six billion, eight hundred six million, seven hundred forty-three thousand, seven hundred twenty".