27230665 has 16 divisors (see below), whose sum is σ = 40740480. Its totient is φ = 16974720.

The previous prime is 27230663. The next prime is 27230669. The reversal of 27230665 is 56603272.

It is not a de Polignac number, because 27230665 - 2¹ = 27230663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27230663) 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 15 ways as a sum of consecutive naturals, for example, 34980 + ... + 35749.

It is an arithmetic number, because the mean of its divisors is an integer number (2546280).

Almost surely, 2^27230665 is an apocalyptic number.

It is an amenable number.

27230665 is a deficient number, since it is larger than the sum of its proper divisors (13509815).

27230665 is a wasteful number, since it uses less digits than its factorization.

27230665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70752.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 27230665 is about 5218.3009687062. The cubic root of 27230665 is about 300.8518934502.

The spelling of 27230665 in words is "twenty-seven million, two hundred thirty thousand, six hundred sixty-five".