32928725 has 12 divisors (see below), whose sum is σ = 41014116. Its totient is φ = 26225280.

The previous prime is 32928713. The next prime is 32928751. The reversal of 32928725 is 52782923.

It can be written as a sum of positive squares in 6 ways, for example, as 734449 + 32194276 = 857^2 + 5674^2 .

It is not a de Polignac number, because 32928725 - 2¹² = 32924629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2999 + ... + 8651.

It is an arithmetic number, because the mean of its divisors is an integer number (3417843).

Almost surely, 2^32928725 is an apocalyptic number.

It is an amenable number.

32928725 is a deficient number, since it is larger than the sum of its proper divisors (8085391).

32928725 is a wasteful number, since it uses less digits than its factorization.

32928725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5891 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 32928725 is about 5738.3556006926. The cubic root of 32928725 is about 320.5223402725.

The spelling of 32928725 in words is "thirty-two million, nine hundred twenty-eight thousand, seven hundred twenty-five".