6730557856 has 48 divisors (see below), whose sum is σ = 15305734080. Its totient is φ = 2879380480.

The previous prime is 6730557817. The next prime is 6730557857. The reversal of 6730557856 is 6587550376.

It is not an unprimeable number, because it can be changed into a prime (6730557857) 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, 556396 + ... + 568363.

It is an arithmetic number, because the mean of its divisors is an integer number (318869460).

Almost surely, 2^6730557856 is an apocalyptic number.

It is an amenable number.

6730557856 is an abundant number, since it is smaller than the sum of its proper divisors (8575176224).

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

6730557856 is a wasteful number, since it uses less digits than its factorization.

6730557856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124797 (or 1124789 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 52.

The square root of 6730557856 is about 82039.9771818593. The cubic root of 6730557856 is about 1888.0653435442.

The spelling of 6730557856 in words is "six billion, seven hundred thirty million, five hundred fifty-seven thousand, eight hundred fifty-six".