27828726 has 16 divisors (see below), whose sum is σ = 55783728. Its totient is φ = 9255200.

The previous prime is 27828679. The next prime is 27828727. The reversal of 27828726 is 62782872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27828727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2265 + ... + 7796.

It is an arithmetic number, because the mean of its divisors is an integer number (3486483).

Almost surely, 2^27828726 is an apocalyptic number.

27828726 is an abundant number, since it is smaller than the sum of its proper divisors (27955002).

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

27828726 is a wasteful number, since it uses less digits than its factorization.

27828726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10527.

The product of its digits is 150528, while the sum is 42.

The square root of 27828726 is about 5275.2939254605. The cubic root of 27828726 is about 303.0384771797.

The spelling of 27828726 in words is "twenty-seven million, eight hundred twenty-eight thousand, seven hundred twenty-six".