27660084 has 48 divisors (see below), whose sum is σ = 67912320. Its totient is φ = 8749440.

The previous prime is 27660019. The next prime is 27660097. The reversal of 27660084 is 48006672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20577 + ... + 21879.

It is an arithmetic number, because the mean of its divisors is an integer number (1414840).

Almost surely, 2^27660084 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 27660084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33956160).

27660084 is an abundant number, since it is smaller than the sum of its proper divisors (40252236).

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

27660084 is a wasteful number, since it uses less digits than its factorization.

27660084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 27660084 is about 5259.2855028036. The cubic root of 27660084 is about 302.4250990477.

The spelling of 27660084 in words is "twenty-seven million, six hundred sixty thousand, eighty-four".