827530728 has 16 divisors (see below), whose sum is σ = 2068826880. Its totient is φ = 275843568.

The previous prime is 827530703. The next prime is 827530751. The reversal of 827530728 is 827035728.

827530728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 827530728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17240200 + ... + 17240247.

It is an arithmetic number, because the mean of its divisors is an integer number (129301680).

Almost surely, 2^827530728 is an apocalyptic number.

It is an amenable number.

827530728 is an abundant number, since it is smaller than the sum of its proper divisors (1241296152).

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

827530728 is a wasteful number, since it uses less digits than its factorization.

827530728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34480456 (or 34480452 counting only the distinct ones).

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

The square root of 827530728 is about 28766.8338195221. The cubic root of 827530728 is about 938.8467553226.

The spelling of 827530728 in words is "eight hundred twenty-seven million, five hundred thirty thousand, seven hundred twenty-eight".