27718344 has 48 divisors (see below), whose sum is σ = 76677120. Its totient is φ = 9041760.

The previous prime is 27718343. The next prime is 27718349. The reversal of 27718344 is 44381772.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 27718299 and 27718308.

It is not an unprimeable number, because it can be changed into a prime (27718343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 712 + ... + 7479.

It is an arithmetic number, because the mean of its divisors is an integer number (1597440).

Almost surely, 2^27718344 is an apocalyptic number.

27718344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27718344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38338560).

27718344 is an abundant number, since it is smaller than the sum of its proper divisors (48958776).

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

27718344 is a wasteful number, since it uses less digits than its factorization.

27718344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250 (or 8243 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 27718344 is about 5264.8213644909. The cubic root of 27718344 is about 302.6372812223.

The spelling of 27718344 in words is "twenty-seven million, seven hundred eighteen thousand, three hundred forty-four".