27654 has 16 divisors (see below), whose sum is σ = 60480. Its totient is φ = 8360.

The previous prime is 27653. The next prime is 27673. The reversal of 27654 is 45672.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 275.

It is an arithmetic number, because the mean of its divisors is an integer number (3780).

27654 is a Friedman number, since it can be written as 6+27*4^5, using all its digits and the basic arithmetic operations.

2²⁷⁶⁵⁴ is an apocalyptic number.

27654 is an abundant number, since it is smaller than the sum of its proper divisors (32826).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30240).

27654 is a wasteful number, since it uses less digits than its factorization.

27654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its digits is 1680, while the sum is 24.

The square root of 27654 is about 166.2949187438. The cubic root of 27654 is about 30.2402924022.

The spelling of 27654 in words is "twenty-seven thousand, six hundred fifty-four".