27540412 has 12 divisors (see below), whose sum is σ = 48278160. Its totient is φ = 13746656.

The previous prime is 27540379. The next prime is 27540413. The reversal of 27540412 is 21404572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27540413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112 + ... + 8047.

It is an arithmetic number, because the mean of its divisors is an integer number (4023180).

Almost surely, 2^27540412 is an apocalyptic number.

It is an amenable number.

27540412 is a deficient number, since it is larger than the sum of its proper divisors (20737748).

27540412 is a wasteful number, since it uses less digits than its factorization.

27540412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11780 (or 11778 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 27540412 is about 5247.8959593346. The cubic root of 27540412 is about 301.9883187739.

Adding to 27540412 its reverse (21404572), we get a palindrome (48944984).

The spelling of 27540412 in words is "twenty-seven million, five hundred forty thousand, four hundred twelve".