27973296 has 160 divisors (see below), whose sum is σ = 91869120. Its totient is φ = 8073216.

The previous prime is 27973291. The next prime is 27973303. The reversal of 27973296 is 69237972.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27973291) 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 31 ways as a sum of consecutive naturals, for example, 95326 + ... + 95618.

It is an arithmetic number, because the mean of its divisors is an integer number (574182).

Almost surely, 2^27973296 is an apocalyptic number.

27973296 is a gapful number since it is divisible by the number (26) 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 27973296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45934560).

27973296 is an abundant number, since it is smaller than the sum of its proper divisors (63895824).

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

27973296 is a wasteful number, since it uses less digits than its factorization.

27973296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 328 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 27973296 is about 5288.9787293957. The cubic root of 27973296 is about 303.5623318731.

The spelling of 27973296 in words is "twenty-seven million, nine hundred seventy-three thousand, two hundred ninety-six".