27835728 has 40 divisors (see below), whose sum is σ = 73135200. Its totient is φ = 9120384.

The previous prime is 27835711. The next prime is 27835739. The reversal of 27835728 is 82753872.

It is a self number, because there is not a number n which added to its sum of digits gives 27835728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (1828380).

Almost surely, 2^27835728 is an apocalyptic number.

It is an amenable number.

27835728 is an abundant number, since it is smaller than the sum of its proper divisors (45299472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27835728 is a wasteful number, since it uses less digits than its factorization.

27835728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899 (or 9893 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 27835728 is about 5275.9575434228. The cubic root of 27835728 is about 303.0638909372.

The spelling of 27835728 in words is "twenty-seven million, eight hundred thirty-five thousand, seven hundred twenty-eight".