27319872 has 56 divisors (see below), whose sum is σ = 76098400. Its totient is φ = 8626176.

The previous prime is 27319849. The next prime is 27319889. The reversal of 27319872 is 27891372.

It is a self number, because there is not a number n which added to its sum of digits gives 27319872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 7392.

It is an arithmetic number, because the mean of its divisors is an integer number (1358900).

Almost surely, 2^27319872 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 27319872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38049200).

27319872 is an abundant number, since it is smaller than the sum of its proper divisors (48778528).

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

27319872 is a wasteful number, since it uses less digits than its factorization.

27319872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523 (or 7513 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 27319872 is about 5226.8414936747. The cubic root of 27319872 is about 301.1800631944.

The spelling of 27319872 in words is "twenty-seven million, three hundred nineteen thousand, eight hundred seventy-two".