27471066 has 96 divisors (see below), whose sum is σ = 68257728. Its totient is φ = 7338240.

The previous prime is 27471061. The next prime is 27471083. The reversal of 27471066 is 66017472.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27471061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 518296 + ... + 518348.

It is an arithmetic number, because the mean of its divisors is an integer number (711018).

Almost surely, 2^27471066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27471066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34128864).

27471066 is an abundant number, since it is smaller than the sum of its proper divisors (40786662).

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

27471066 is a wasteful number, since it uses less digits than its factorization.

27471066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 27471066 is about 5241.2847661618. The cubic root of 27471066 is about 301.7346396418.

The spelling of 27471066 in words is "twenty-seven million, four hundred seventy-one thousand, sixty-six".