28527760 has 40 divisors (see below), whose sum is σ = 66710016. Its totient is φ = 11345280.

The previous prime is 28527749. The next prime is 28527787. The reversal of 28527760 is 6772582.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14347 + ... + 16213.

Almost surely, 2^28527760 is an apocalyptic number.

28527760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28527760 is an abundant number, since it is smaller than the sum of its proper divisors (38182256).

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

28527760 is a wasteful number, since it uses less digits than its factorization.

28527760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 28527760 is about 5341.1384554232. The cubic root of 28527760 is about 305.5548799006.

The spelling of 28527760 in words is "twenty-eight million, five hundred twenty-seven thousand, seven hundred sixty".