27320481 has 24 divisors (see below), whose sum is σ = 41895360. Its totient is φ = 17118816.

The previous prime is 27320477. The next prime is 27320507. The reversal of 27320481 is 18402372.

27320481 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 27320481 - 2² = 27320477 is a prime.

It is a super-2 number, since 2×27320481² = 1492817364142722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27320401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11095 + ... + 13331.

It is an arithmetic number, because the mean of its divisors is an integer number (1745640).

Almost surely, 2^27320481 is an apocalyptic number.

It is an amenable number.

27320481 is a deficient number, since it is larger than the sum of its proper divisors (14574879).

27320481 is a wasteful number, since it uses less digits than its factorization.

27320481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 27320481 is about 5226.8997503300. The cubic root of 27320481 is about 301.1823010928.

The spelling of 27320481 in words is "twenty-seven million, three hundred twenty thousand, four hundred eighty-one".