8675728 has 20 divisors (see below), whose sum is σ = 16869580. Its totient is φ = 4322304.

The previous prime is 8675699. The next prime is 8675743. The reversal of 8675728 is 8275768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6012304 + 2663424 = 2452^2 + 1632^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 4588 + ... + 6196.

It is an arithmetic number, because the mean of its divisors is an integer number (843479).

Almost surely, 2^8675728 is an apocalyptic number.

It is an amenable number.

8675728 is a deficient number, since it is larger than the sum of its proper divisors (8193852).

8675728 is a wasteful number, since it uses less digits than its factorization.

8675728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 1948 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 8675728 is about 2945.4588776624. The cubic root of 8675728 is about 205.4795673135.

The spelling of 8675728 in words is "eight million, six hundred seventy-five thousand, seven hundred twenty-eight".