27344772 has 144 divisors (see below), whose sum is σ = 90260352. Its totient is φ = 6773760.

The previous prime is 27344771. The next prime is 27344791. The reversal of 27344772 is 27744372.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (27344771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55447 + ... + 55937.

It is an arithmetic number, because the mean of its divisors is an integer number (626808).

Almost surely, 2^27344772 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 27344772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45130176).

27344772 is an abundant number, since it is smaller than the sum of its proper divisors (62915580).

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

27344772 is a wasteful number, since it uses less digits than its factorization.

27344772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 533 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 27344772 is about 5229.2228868160. Note that the first 3 decimals coincide. The cubic root of 27344772 is about 301.2715363700.

The spelling of 27344772 in words is "twenty-seven million, three hundred forty-four thousand, seven hundred seventy-two".