27561492 has 48 divisors (see below), whose sum is σ = 81665920. Its totient is φ = 7874496.

The previous prime is 27561487. The next prime is 27561493. The reversal of 27561492 is 29416572.

27561492 is a `hidden beast` number, since 2 + 7 + 561 + 4 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27561493) 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, 17473 + ... + 18984.

Almost surely, 2^27561492 is an apocalyptic number.

It is an amenable number.

27561492 is an abundant number, since it is smaller than the sum of its proper divisors (54104428).

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

27561492 is a wasteful number, since it uses less digits than its factorization.

27561492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36477 (or 36469 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 27561492 is about 5249.9039991223. The cubic root of 27561492 is about 302.0653484888.

The spelling of 27561492 in words is "twenty-seven million, five hundred sixty-one thousand, four hundred ninety-two".