27968727 has 8 divisors (see below), whose sum is σ = 38494720. Its totient is φ = 18044280.

The previous prime is 27968719. The next prime is 27968729. The reversal of 27968727 is 72786972.

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

It is not a de Polignac number, because 27968727 - 2³ = 27968719 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 (27968729) 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, 150277 + ... + 150462.

It is an arithmetic number, because the mean of its divisors is an integer number (4811840).

Almost surely, 2^27968727 is an apocalyptic number.

27968727 is a deficient number, since it is larger than the sum of its proper divisors (10525993).

27968727 is a wasteful number, since it uses less digits than its factorization.

27968727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300773.

The product of its digits is 592704, while the sum is 48.

The square root of 27968727 is about 5288.5467758166. The cubic root of 27968727 is about 303.5458035882.

It can be divided in two parts, 279 and 68727, that added together give a triangular number (69006 = T₃₇₁).

The spelling of 27968727 in words is "twenty-seven million, nine hundred sixty-eight thousand, seven hundred twenty-seven".