27273828 has 12 divisors (see below), whose sum is σ = 63638960. Its totient is φ = 9091272.

The previous prime is 27273821. The next prime is 27273859. The reversal of 27273828 is 82837272.

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

It is not an unprimeable number, because it can be changed into a prime (27273821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136398 + ... + 1136421.

Almost surely, 2^27273828 is an apocalyptic number.

It is an amenable number.

27273828 is an abundant number, since it is smaller than the sum of its proper divisors (36365132).

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

27273828 is a wasteful number, since it uses less digits than its factorization.

27273828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272826 (or 2272824 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 27273828 is about 5222.4350642205. The cubic root of 27273828 is about 301.0107684436.

It can be divided in two parts, 2727 and 3828, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 27273828 in words is "twenty-seven million, two hundred seventy-three thousand, eight hundred twenty-eight".