8325728 has 12 divisors (see below), whose sum is σ = 16391340. Its totient is φ = 4162848.

The previous prime is 8325719. The next prime is 8325769. The reversal of 8325728 is 8275238.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

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, 130058 + ... + 130121.

It is an arithmetic number, because the mean of its divisors is an integer number (1365945).

Almost surely, 2^8325728 is an apocalyptic number.

It is an amenable number.

8325728 is a deficient number, since it is larger than the sum of its proper divisors (8065612).

8325728 is a wasteful number, since it uses less digits than its factorization.

8325728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260189 (or 260181 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 8325728 is about 2885.4337628856. The cubic root of 8325728 is about 202.6783715154.

The spelling of 8325728 in words is "eight million, three hundred twenty-five thousand, seven hundred twenty-eight".