4256747 has 4 divisors (see below), whose sum is σ = 4643736. Its totient is φ = 3869760.

The previous prime is 4256737. The next prime is 4256761. The reversal of 4256747 is 7476524.

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 4256747 - 2⁸ = 4256491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4256717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193478 + ... + 193499.

It is an arithmetic number, because the mean of its divisors is an integer number (1160934).

Almost surely, 2^4256747 is an apocalyptic number.

4256747 is a deficient number, since it is larger than the sum of its proper divisors (386989).

4256747 is a wasteful number, since it uses less digits than its factorization.

4256747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386988.

The product of its digits is 47040, while the sum is 35.

The square root of 4256747 is about 2063.1885517325. The cubic root of 4256747 is about 162.0662610617.

The spelling of 4256747 in words is "four million, two hundred fifty-six thousand, seven hundred forty-seven".