9027728 has 10 divisors (see below), whose sum is σ = 17491254. Its totient is φ = 4513856.

The previous prime is 9027703. The next prime is 9027757. The reversal of 9027728 is 8277209.

It can be written as a sum of positive squares in only one way, i.e., 6801664 + 2226064 = 2608^2 + 1492^2 .

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, 282101 + ... + 282132.

Almost surely, 2^9027728 is an apocalyptic number.

It is an amenable number.

9027728 is a deficient number, since it is larger than the sum of its proper divisors (8463526).

9027728 is a wasteful number, since it uses less digits than its factorization.

9027728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564241 (or 564235 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 9027728 is about 3004.6177793523. The cubic root of 9027728 is about 208.2217802079.

The spelling of 9027728 in words is "nine million, twenty-seven thousand, seven hundred twenty-eight".