4725128 has 8 divisors (see below), whose sum is σ = 8859630. Its totient is φ = 2362560.

The previous prime is 4725101. The next prime is 4725131. The reversal of 4725128 is 8215274.

It can be written as a sum of positive squares in only one way, i.e., 4318084 + 407044 = 2078^2 + 638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 4725128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295313 + ... + 295328.

Almost surely, 2^4725128 is an apocalyptic number.

It is an amenable number.

4725128 is a deficient number, since it is larger than the sum of its proper divisors (4134502).

4725128 is a wasteful number, since it uses less digits than its factorization.

4725128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590647 (or 590643 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 4725128 is about 2173.7359545262. The cubic root of 4725128 is about 167.8048565597.

The spelling of 4725128 in words is "four million, seven hundred twenty-five thousand, one hundred twenty-eight".