27312717 has 8 divisors (see below), whose sum is σ = 36523296. Its totient is φ = 18155312.

The previous prime is 27312679. The next prime is 27312757. The reversal of 27312717 is 71721372.

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 27312717 - 2¹¹ = 27310669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27312757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12078 + ... + 14159.

It is an arithmetic number, because the mean of its divisors is an integer number (4565412).

Almost surely, 2^27312717 is an apocalyptic number.

It is an amenable number.

27312717 is a deficient number, since it is larger than the sum of its proper divisors (9210579).

27312717 is a wasteful number, since it uses less digits than its factorization.

27312717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26587.

The product of its digits is 4116, while the sum is 30.

The square root of 27312717 is about 5226.1570010860. The cubic root of 27312717 is about 301.1537681529.

The spelling of 27312717 in words is "twenty-seven million, three hundred twelve thousand, seven hundred seventeen".