32728475725 has 12 divisors (see below), whose sum is σ = 44272702080. Its totient is φ = 23802527600.

The previous prime is 32728475687. The next prime is 32728475743. The reversal of 32728475725 is 52757482723.

It is not a de Polignac number, because 32728475725 - 2¹¹ = 32728473677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59506045 + ... + 59506594.

It is an arithmetic number, because the mean of its divisors is an integer number (3689391840).

Almost surely, 2^32728475725 is an apocalyptic number.

It is an amenable number.

32728475725 is a deficient number, since it is larger than the sum of its proper divisors (11544226355).

32728475725 is a wasteful number, since it uses less digits than its factorization.

32728475725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119012660 (or 119012655 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 52.

The spelling of 32728475725 in words is "thirty-two billion, seven hundred twenty-eight million, four hundred seventy-five thousand, seven hundred twenty-five".