8728528 has 10 divisors (see below), whose sum is σ = 16911554. Its totient is φ = 4364256.

The previous prime is 8728513. The next prime is 8728549. The reversal of 8728528 is 8258278.

It can be written as a sum of positive squares in only one way, i.e., 7354944 + 1373584 = 2712^2 + 1172^2 .

It is a congruent number.

It is an unprimeable number.

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, 272751 + ... + 272782.

Almost surely, 2^8728528 is an apocalyptic number.

It is an amenable number.

8728528 is a deficient number, since it is larger than the sum of its proper divisors (8183026).

8728528 is a wasteful number, since it uses less digits than its factorization.

8728528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545541 (or 545535 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 8728528 is about 2954.4082317784. The cubic root of 8728528 is about 205.8955702823.

The spelling of 8728528 in words is "eight million, seven hundred twenty-eight thousand, five hundred twenty-eight".