27013536 has 72 divisors (see below), whose sum is σ = 83813184. Its totient is φ = 8184960.

The previous prime is 27013531. The next prime is 27013543. The reversal of 27013536 is 63531072.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×27013536² = 1459462254446592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27013531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096 + ... + 7431.

It is an arithmetic number, because the mean of its divisors is an integer number (1164072).

Almost surely, 2^27013536 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 27013536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41906592).

27013536 is an abundant number, since it is smaller than the sum of its proper divisors (56799648).

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

27013536 is a wasteful number, since it uses less digits than its factorization.

27013536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554 (or 8543 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 27013536 is about 5197.4547617079. The cubic root of 27013536 is about 300.0501249578.

The spelling of 27013536 in words is "twenty-seven million, thirteen thousand, five hundred thirty-six".