27320568 has 64 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 8225280.

The previous prime is 27320567. The next prime is 27320603. The reversal of 27320568 is 86502372.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27320563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62880 + ... + 63312.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^27320568 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 27320568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37497600).

27320568 is an abundant number, since it is smaller than the sum of its proper divisors (47674632).

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

27320568 is a wasteful number, since it uses less digits than its factorization.

27320568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 27320568 is about 5226.9080726563. The cubic root of 27320568 is about 301.1826207898.

The spelling of 27320568 in words is "twenty-seven million, three hundred twenty thousand, five hundred sixty-eight".