7256741256 has 48 divisors (see below), whose sum is σ = 19660243200. Its totient is φ = 2418105312.

The previous prime is 7256741161. The next prime is 7256741333. The reversal of 7256741256 is 6521476527.

7256741256 is a `hidden beast` number, since 72 + 567 + 4 + 12 + 5 + 6 = 666.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223785 + ... + 254151.

It is an arithmetic number, because the mean of its divisors is an integer number (409588400).

Almost surely, 2^7256741256 is an apocalyptic number.

It is an amenable number.

7256741256 is an abundant number, since it is smaller than the sum of its proper divisors (12403501944).

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

7256741256 is a wasteful number, since it uses less digits than its factorization.

7256741256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33698 (or 33691 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 7256741256 is about 85186.5086501378. The cubic root of 7256741256 is about 1936.0380096640.

The spelling of 7256741256 in words is "seven billion, two hundred fifty-six million, seven hundred forty-one thousand, two hundred fifty-six".