27066730 has 8 divisors (see below), whose sum is σ = 48720132. Its totient is φ = 10826688.

The previous prime is 27066719. The next prime is 27066731. The reversal of 27066730 is 3766072.

It can be written as a sum of positive squares in 2 ways, for example, as 26020201 + 1046529 = 5101^2 + 1023^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27066692 and 27066701.

It is not an unprimeable number, because it can be changed into a prime (27066731) 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 3 ways as a sum of consecutive naturals, for example, 1353327 + ... + 1353346.

Almost surely, 2^27066730 is an apocalyptic number.

27066730 is a deficient number, since it is larger than the sum of its proper divisors (21653402).

27066730 is a wasteful number, since it uses less digits than its factorization.

27066730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706680.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 27066730 is about 5202.5695574399. The cubic root of 27066730 is about 300.2469448199.

The spelling of 27066730 in words is "twenty-seven million, sixty-six thousand, seven hundred thirty".