7256746243 has 2 divisors, whose sum is σ = 7256746244. Its totient is φ = 7256746242.

The previous prime is 7256746229. The next prime is 7256746271. The reversal of 7256746243 is 3426476527.

7256746243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7256746243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7256746193 and 7256746202.

It is not a weakly prime, because it can be changed into another prime (7256746223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628373121 + 3628373122.

It is an arithmetic number, because the mean of its divisors is an integer number (3628373122).

Almost surely, 2^7256746243 is an apocalyptic number.

7256746243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256746243 is an equidigital number, since it uses as much as digits as its factorization.

7256746243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 46.

The square root of 7256746243 is about 85186.5379211997. The cubic root of 7256746243 is about 1936.0384531606.

The spelling of 7256746243 in words is "seven billion, two hundred fifty-six million, seven hundred forty-six thousand, two hundred forty-three".