27871296 has 56 divisors (see below), whose sum is σ = 78089760. Its totient is φ = 8742912.

The previous prime is 27871273. The next prime is 27871297. The reversal of 27871296 is 69217872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27871297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006 + ... + 7533.

It is an arithmetic number, because the mean of its divisors is an integer number (1394460).

Almost surely, 2^27871296 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 27871296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39044880).

27871296 is an abundant number, since it is smaller than the sum of its proper divisors (50218464).

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

27871296 is a wasteful number, since it uses less digits than its factorization.

27871296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571 (or 8561 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 27871296 is about 5279.3272298656. The cubic root of 27871296 is about 303.1929192193.

The spelling of 27871296 in words is "twenty-seven million, eight hundred seventy-one thousand, two hundred ninety-six".