27320717 has 8 divisors (see below), whose sum is σ = 29419200. Its totient is φ = 25276864.

The previous prime is 27320687. The next prime is 27320731. The reversal of 27320717 is 71702372.

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 27320717 - 2⁶ = 27320653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27320717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27320747) 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 7 ways as a sum of consecutive naturals, for example, 12617 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (3677400).

Almost surely, 2^27320717 is an apocalyptic number.

It is an amenable number.

27320717 is a deficient number, since it is larger than the sum of its proper divisors (2098483).

27320717 is a wasteful number, since it uses less digits than its factorization.

27320717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27315.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 27320717 is about 5226.9223258051. The cubic root of 27320717 is about 301.1831683154.

The spelling of 27320717 in words is "twenty-seven million, three hundred twenty thousand, seven hundred seventeen".