27713538 has 12 divisors (see below), whose sum is σ = 60046038. Its totient is φ = 9237840.

The previous prime is 27713537. The next prime is 27713557. The reversal of 27713538 is 83531772.

It can be written as a sum of positive squares in only one way, i.e., 20277009 + 7436529 = 4503^2 + 2727^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27713537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769803 + ... + 769838.

Almost surely, 2^27713538 is an apocalyptic number.

27713538 is an abundant number, since it is smaller than the sum of its proper divisors (32332500).

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

27713538 is a wasteful number, since it uses less digits than its factorization.

27713538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539649 (or 1539646 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 27713538 is about 5264.3649189622. The cubic root of 27713538 is about 302.6197890897.

The spelling of 27713538 in words is "twenty-seven million, seven hundred thirteen thousand, five hundred thirty-eight".