27716693 has 4 divisors (see below), whose sum is σ = 27745068. Its totient is φ = 27688320.

The previous prime is 27716677. The next prime is 27716707. The reversal of 27716693 is 39661772.

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 5654884 + 22061809 = 2378^2 + 4697^2 .

It is a cyclic number.

It is not a de Polignac number, because 27716693 - 2⁴ = 27716677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27716693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27716603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12668 + ... + 14693.

It is an arithmetic number, because the mean of its divisors is an integer number (6936267).

Almost surely, 2^27716693 is an apocalyptic number.

It is an amenable number.

27716693 is a deficient number, since it is larger than the sum of its proper divisors (28375).

27716693 is a wasteful number, since it uses less digits than its factorization.

27716693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28374.

The product of its digits is 95256, while the sum is 41.

The square root of 27716693 is about 5264.6645667127. The cubic root of 27716693 is about 302.6312723969.

The spelling of 27716693 in words is "twenty-seven million, seven hundred sixteen thousand, six hundred ninety-three".