27317641 has 4 divisors (see below), whose sum is σ = 29419012. Its totient is φ = 25216272.

The previous prime is 27317621. The next prime is 27317651. The reversal of 27317641 is 14671372.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6350400 + 20967241 = 2520^2 + 4579^2 .

It is a cyclic number.

It is not a de Polignac number, because 27317641 - 2¹³ = 27309449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27317621) 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, 1050666 + ... + 1050691.

It is an arithmetic number, because the mean of its divisors is an integer number (7354753).

Almost surely, 2^27317641 is an apocalyptic number.

It is an amenable number.

27317641 is a deficient number, since it is larger than the sum of its proper divisors (2101371).

27317641 is a wasteful number, since it uses less digits than its factorization.

27317641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101370.

The product of its digits is 7056, while the sum is 31.

The square root of 27317641 is about 5226.6280717112. The cubic root of 27317641 is about 301.1718646321.

The spelling of 27317641 in words is "twenty-seven million, three hundred seventeen thousand, six hundred forty-one".