28527276 has 12 divisors (see below), whose sum is σ = 66563672. Its totient is φ = 9509088.

The previous prime is 28527263. The next prime is 28527281. The reversal of 28527276 is 67272582.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1188625 + ... + 1188648.

Almost surely, 2^28527276 is an apocalyptic number.

It is an amenable number.

28527276 is an abundant number, since it is smaller than the sum of its proper divisors (38036396).

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

28527276 is a wasteful number, since it uses less digits than its factorization.

28527276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377280 (or 2377278 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 28527276 is about 5341.0931465384. The cubic root of 28527276 is about 305.5531518831.

The spelling of 28527276 in words is "twenty-eight million, five hundred twenty-seven thousand, two hundred seventy-six".