27380066 has 16 divisors (see below), whose sum is σ = 47005056. Its totient is φ = 11717376.

The previous prime is 27380053. The next prime is 27380069. The reversal of 27380066 is 66008372.

It is not an unprimeable number, because it can be changed into a prime (27380069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16235 + ... + 17841.

It is an arithmetic number, because the mean of its divisors is an integer number (2937816).

Almost surely, 2^27380066 is an apocalyptic number.

27380066 is a deficient number, since it is larger than the sum of its proper divisors (19624990).

27380066 is a wasteful number, since it uses less digits than its factorization.

27380066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 27380066 is about 5232.5964874047. The cubic root of 27380066 is about 301.4010980789.

The spelling of 27380066 in words is "twenty-seven million, three hundred eighty thousand, sixty-six".