27265728 has 56 divisors (see below), whose sum is σ = 82450432. Its totient is φ = 7789824.

The previous prime is 27265673. The next prime is 27265751. The reversal of 27265728 is 82756272.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8800 + ... + 11487.

Almost surely, 2^27265728 is an apocalyptic number.

27265728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27265728 is an abundant number, since it is smaller than the sum of its proper divisors (55184704).

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

27265728 is a wasteful number, since it uses less digits than its factorization.

27265728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20309 (or 20299 counting only the distinct ones).

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

The square root of 27265728 is about 5221.6595063256. The cubic root of 27265728 is about 300.9809666298.

The spelling of 27265728 in words is "twenty-seven million, two hundred sixty-five thousand, seven hundred twenty-eight".