32728085 has 16 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 24075840.

The previous prime is 32728079. The next prime is 32728109. The reversal of 32728085 is 58082723.

It is a happy number.

It is not a de Polignac number, because 32728085 - 2⁶ = 32728021 is a prime.

It is a super-2 number, since 2×32728085² = 2142255095534450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19406 + ... + 21024.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^32728085 is an apocalyptic number.

It is an amenable number.

32728085 is a deficient number, since it is larger than the sum of its proper divisors (9728875).

32728085 is a wasteful number, since it uses less digits than its factorization.

32728085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

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

The square root of 32728085 is about 5720.8465282683. The cubic root of 32728085 is about 319.8700155667.

The spelling of 32728085 in words is "thirty-two million, seven hundred twenty-eight thousand, eighty-five".