7282728256 has 56 divisors (see below), whose sum is σ = 14549932800. Its totient is φ = 3616704000.

The previous prime is 7282728143. The next prime is 7282728263. The reversal of 7282728256 is 6528272827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10388706 + ... + 10389406.

Almost surely, 2^7282728256 is an apocalyptic number.

It is an amenable number.

7282728256 is a deficient number, since it is larger than the sum of its proper divisors (7267204544).

7282728256 is a wasteful number, since it uses less digits than its factorization.

7282728256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1573 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 7282728256 is about 85338.9023599437. The cubic root of 7282728256 is about 1938.3462947115.

The spelling of 7282728256 in words is "seven billion, two hundred eighty-two million, seven hundred twenty-eight thousand, two hundred fifty-six".