2727666 has 12 divisors (see below), whose sum is σ = 5909982. Its totient is φ = 909216.

The previous prime is 2727661. The next prime is 2727679. The reversal of 2727666 is 6667272.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 540225 = 1479^2 + 735^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2727666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2727661) 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 5 ways as a sum of consecutive naturals, for example, 75751 + ... + 75786.

2^2727666 is an apocalyptic number.

2727666 is an abundant number, since it is smaller than the sum of its proper divisors (3182316).

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

2727666 is a wasteful number, since it uses less digits than its factorization.

2727666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151545 (or 151542 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 2727666 is about 1651.5647126286. The cubic root of 2727666 is about 139.7216578629.

The spelling of 2727666 in words is "two million, seven hundred twenty-seven thousand, six hundred sixty-six".