4635728 has 10 divisors (see below), whose sum is σ = 8981754. Its totient is φ = 2317856.

The previous prime is 4635707. The next prime is 4635731. The reversal of 4635728 is 8275364.

It is a happy number.

4635728 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4631104 + 4624 = 2152^2 + 68^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144851 + ... + 144882.

Almost surely, 2^4635728 is an apocalyptic number.

It is an amenable number.

4635728 is a deficient number, since it is larger than the sum of its proper divisors (4346026).

4635728 is a wasteful number, since it uses less digits than its factorization.

4635728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289741 (or 289735 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 4635728 is about 2153.0740814008. The cubic root of 4635728 is about 166.7398150023.

The spelling of 4635728 in words is "four million, six hundred thirty-five thousand, seven hundred twenty-eight".