27013720 has 32 divisors (see below), whose sum is σ = 62078400. Its totient is φ = 10574848.

The previous prime is 27013717. The next prime is 27013733. The reversal of 27013720 is 2731072.

It is a junction number, because it is equal to n+sod(n) for n = 27013691 and 27013700.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5305 + ... + 9064.

It is an arithmetic number, because the mean of its divisors is an integer number (1939950).

Almost surely, 2^27013720 is an apocalyptic number.

27013720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27013720 is an abundant number, since it is smaller than the sum of its proper divisors (35064680).

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

27013720 is a wasteful number, since it uses less digits than its factorization.

27013720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14427 (or 14423 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 27013720 is about 5197.4724626495. The cubic root of 27013720 is about 300.0508062101.

Adding to 27013720 its reverse (2731072), we get a palindrome (29744792).

The spelling of 27013720 in words is "twenty-seven million, thirteen thousand, seven hundred twenty".