27226749 has 16 divisors (see below), whose sum is σ = 39783744. Its totient is φ = 16425600.

The previous prime is 27226729. The next prime is 27226751. The reversal of 27226749 is 94762272.

It is not a de Polignac number, because 27226749 - 2⁹ = 27226237 is a prime.

It is a super-2 number, since 2×27226749² = 1482591722218002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27226729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5919 + ... + 9459.

It is an arithmetic number, because the mean of its divisors is an integer number (2486484).

Almost surely, 2^27226749 is an apocalyptic number.

It is an amenable number.

27226749 is a deficient number, since it is larger than the sum of its proper divisors (12556995).

27226749 is a wasteful number, since it uses less digits than its factorization.

27226749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788.

The product of its digits is 84672, while the sum is 39.

The square root of 27226749 is about 5217.9257373021. The cubic root of 27226749 is about 300.8374710763.

The spelling of 27226749 in words is "twenty-seven million, two hundred twenty-six thousand, seven hundred forty-nine".