27540492 has 48 divisors (see below), whose sum is σ = 74699520. Its totient is φ = 7733952.

The previous prime is 27540467. The next prime is 27540497. The reversal of 27540492 is 29404572.

27540492 is nontrivially palindromic in base 11.

It is not an unprimeable number, because it can be changed into a prime (27540497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178 + ... + 7734.

It is an arithmetic number, because the mean of its divisors is an integer number (1556240).

Almost surely, 2^27540492 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 27540492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37349760).

27540492 is an abundant number, since it is smaller than the sum of its proper divisors (47159028).

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

27540492 is a wasteful number, since it uses less digits than its factorization.

27540492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630 (or 5628 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 27540492 is about 5247.9035814314. The cubic root of 27540492 is about 301.9886111811.

The spelling of 27540492 in words is "twenty-seven million, five hundred forty thousand, four hundred ninety-two".