27817049 has 16 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 24003840.

The previous prime is 27817043. The next prime is 27817057. The reversal of 27817049 is 94071872.

It is a cyclic number.

It is not a de Polignac number, because 27817049 - 2¹⁶ = 27751513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27817043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41882 + ... + 42540.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^27817049 is an apocalyptic number.

It is an amenable number.

27817049 is a deficient number, since it is larger than the sum of its proper divisors (4116391).

27817049 is a wasteful number, since it uses less digits than its factorization.

27817049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 27817049 is about 5274.1870463608. The cubic root of 27817049 is about 302.9960860267.

The spelling of 27817049 in words is "twenty-seven million, eight hundred seventeen thousand, forty-nine".