27739066 has 4 divisors (see below), whose sum is σ = 41608602. Its totient is φ = 13869532.

The previous prime is 27739037. The next prime is 27739067. The reversal of 27739066 is 66093772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 958441 = 5175^2 + 979^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27739067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934765 + ... + 6934768.

Almost surely, 2^27739066 is an apocalyptic number.

27739066 is a deficient number, since it is larger than the sum of its proper divisors (13869536).

27739066 is a wasteful number, since it uses less digits than its factorization.

27739066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13869535.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 27739066 is about 5266.7889648248. The cubic root of 27739066 is about 302.7126787955.

The spelling of 27739066 in words is "twenty-seven million, seven hundred thirty-nine thousand, sixty-six".