4775728 has 10 divisors (see below), whose sum is σ = 9253004. Its totient is φ = 2387856.

The previous prime is 4775723. The next prime is 4775741. The reversal of 4775728 is 8275774.

It is not an unprimeable number, because it can be changed into a prime (4775723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149226 + ... + 149257.

Almost surely, 2^4775728 is an apocalyptic number.

It is an amenable number.

4775728 is a deficient number, since it is larger than the sum of its proper divisors (4477276).

4775728 is a wasteful number, since it uses less digits than its factorization.

4775728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298491 (or 298485 counting only the distinct ones).

The product of its digits is 109760, while the sum is 40.

The square root of 4775728 is about 2185.3439088619. The cubic root of 4775728 is about 168.4017219316.

The spelling of 4775728 in words is "four million, seven hundred seventy-five thousand, seven hundred twenty-eight".