27224748 has 72 divisors (see below), whose sum is σ = 73392592. Its totient is φ = 8817984.

The previous prime is 27224741. The next prime is 27224767. The reversal of 27224748 is 84742272.

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

It is not an unprimeable number, because it can be changed into a prime (27224741) 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, 35586 + ... + 36342.

Almost surely, 2^27224748 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 27224748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36696296).

27224748 is an abundant number, since it is smaller than the sum of its proper divisors (46167844).

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

27224748 is a wasteful number, since it uses less digits than its factorization.

27224748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 799 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 27224748 is about 5217.7339909198. The cubic root of 27224748 is about 300.8301009893.

It can be divided in two parts, 27224 and 748, that added together give a palindrome (27972).

The spelling of 27224748 in words is "twenty-seven million, two hundred twenty-four thousand, seven hundred forty-eight".