27066546 has 48 divisors (see below), whose sum is σ = 63825216. Its totient is φ = 8239968.

The previous prime is 27066527. The next prime is 27066547. The reversal of 27066546 is 64566072.

It is a self number, because there is not a number n which added to its sum of digits gives 27066546.

It is not an unprimeable number, because it can be changed into a prime (27066547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23541 + ... + 24663.

It is an arithmetic number, because the mean of its divisors is an integer number (1329692).

Almost surely, 2^27066546 is an apocalyptic number.

27066546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27066546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31912608).

27066546 is an abundant number, since it is smaller than the sum of its proper divisors (36758670).

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

27066546 is a wasteful number, since it uses less digits than its factorization.

27066546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 27066546 is about 5202.5518738404. The cubic root of 27066546 is about 300.2462644574.

The spelling of 27066546 in words is "twenty-seven million, sixty-six thousand, five hundred forty-six".