2256756707 has 4 divisors (see below), whose sum is σ = 2256882600. Its totient is φ = 2256630816.

The previous prime is 2256756629. The next prime is 2256756731. The reversal of 2256756707 is 7076576522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2256756707 - 2⁸ = 2256756451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256746707) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30473 + ... + 73770.

It is an arithmetic number, because the mean of its divisors is an integer number (564220650).

Almost surely, 2^2256756707 is an apocalyptic number.

2256756707 is a deficient number, since it is larger than the sum of its proper divisors (125893).

2256756707 is a wasteful number, since it uses less digits than its factorization.

2256756707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125892.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The square root of 2256756707 is about 47505.3334584655. Note that the first 3 decimals coincide. The cubic root of 2256756707 is about 1311.6810590348.

The spelling of 2256756707 in words is "two billion, two hundred fifty-six million, seven hundred fifty-six thousand, seven hundred seven".