27317973 has 8 divisors (see below), whose sum is σ = 36458848. Its totient is φ = 18194544.

The previous prime is 27317957. The next prime is 27317981. The reversal of 27317973 is 37971372.

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

It is not a de Polignac number, because 27317973 - 2⁴ = 27317957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27317903) 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 7 ways as a sum of consecutive naturals, for example, 115 + ... + 7392.

It is an arithmetic number, because the mean of its divisors is an integer number (4557356).

Almost surely, 2^27317973 is an apocalyptic number.

It is an amenable number.

27317973 is a deficient number, since it is larger than the sum of its proper divisors (9140875).

27317973 is a wasteful number, since it uses less digits than its factorization.

27317973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723.

The product of its digits is 55566, while the sum is 39.

The square root of 27317973 is about 5226.6598320534. The cubic root of 27317973 is about 301.1730847064.

The spelling of 27317973 in words is "twenty-seven million, three hundred seventeen thousand, nine hundred seventy-three".