27713224 has 48 divisors (see below), whose sum is σ = 65951280. Its totient is φ = 10795680.

The previous prime is 27713207. The next prime is 27713227. The reversal of 27713224 is 42231772.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 27713192 and 27713201.

It is not an unprimeable number, because it can be changed into a prime (27713227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099 + ... + 7525.

It is an arithmetic number, because the mean of its divisors is an integer number (1373985).

Almost surely, 2^27713224 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 27713224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32975640).

27713224 is an abundant number, since it is smaller than the sum of its proper divisors (38238056).

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

27713224 is a wasteful number, since it uses less digits than its factorization.

27713224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458 (or 6447 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 27713224 is about 5264.3350957172. The cubic root of 27713224 is about 302.6186461709.

Adding to 27713224 its reverse (42231772), we get a palindrome (69944996).

It can be divided in two parts, 2771 and 3224, that added together give a palindrome (5995).

The spelling of 27713224 in words is "twenty-seven million, seven hundred thirteen thousand, two hundred twenty-four".