27712649 has 8 divisors (see below), whose sum is σ = 28226880. Its totient is φ = 27202000.

The previous prime is 27712639. The next prime is 27712687. The reversal of 27712649 is 94621772.

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 27712649 - 2¹² = 27708553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27712639) 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, 18374 + ... + 19824.

It is an arithmetic number, because the mean of its divisors is an integer number (3528360).

Almost surely, 2^27712649 is an apocalyptic number.

It is an amenable number.

27712649 is a deficient number, since it is larger than the sum of its proper divisors (514231).

27712649 is a wasteful number, since it uses less digits than its factorization.

27712649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791.

The product of its digits is 42336, while the sum is 38.

The square root of 27712649 is about 5264.2804826491. The cubic root of 27712649 is about 302.6165532239.

The spelling of 27712649 in words is "twenty-seven million, seven hundred twelve thousand, six hundred forty-nine".