27066747 has 8 divisors (see below), whose sum is σ = 36140544. Its totient is φ = 18018728.

The previous prime is 27066733. The next prime is 27066749. The reversal of 27066747 is 74766072.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27066747 - 2⁴ = 27066731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27066749) 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 7 ways as a sum of consecutive naturals, for example, 3843 + ... + 8300.

It is an arithmetic number, because the mean of its divisors is an integer number (4517568).

Almost surely, 2^27066747 is an apocalyptic number.

27066747 is a deficient number, since it is larger than the sum of its proper divisors (9073797).

27066747 is a wasteful number, since it uses less digits than its factorization.

27066747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 27066747 is about 5202.5711912477. The cubic root of 27066747 is about 300.2470076793.

It can be divided in two parts, 2706 and 6747, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 27066747 in words is "twenty-seven million, sixty-six thousand, seven hundred forty-seven".