27740849 has 8 divisors (see below), whose sum is σ = 28776000. Its totient is φ = 26710992.

The previous prime is 27740833. The next prime is 27740851. The reversal of 27740849 is 94804772.

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 27740849 - 2⁴ = 27740833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27740809) 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, 11642 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (3597000).

Almost surely, 2^27740849 is an apocalyptic number.

27740849 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

27740849 is a deficient number, since it is larger than the sum of its proper divisors (1035151).

27740849 is a wasteful number, since it uses less digits than its factorization.

27740849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 27740849 is about 5266.9582303261. The cubic root of 27740849 is about 302.7191645359.

The spelling of 27740849 in words is "twenty-seven million, seven hundred forty thousand, eight hundred forty-nine".