27226656 has 144 divisors (see below), whose sum is σ = 84206304. Its totient is φ = 8312832.

The previous prime is 27226651. The next prime is 27226663. The reversal of 27226656 is 65662272.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 27226656.

It is not an unprimeable number, because it can be changed into a prime (27226651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327991 + ... + 328073.

It is an arithmetic number, because the mean of its divisors is an integer number (584766).

Almost surely, 2^27226656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27226656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42103152).

27226656 is an abundant number, since it is smaller than the sum of its proper divisors (56979648).

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

27226656 is a wasteful number, since it uses less digits than its factorization.

27226656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 172 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 27226656 is about 5217.9168257074. The cubic root of 27226656 is about 300.8371285466.

The spelling of 27226656 in words is "twenty-seven million, two hundred twenty-six thousand, six hundred fifty-six".