27736081 has 4 divisors (see below), whose sum is σ = 27749952. Its totient is φ = 27722212.

The previous prime is 27736073. The next prime is 27736097. The reversal of 27736081 is 18063772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27736081 - 2³ = 27736073 is a prime.

It is a super-2 number, since 2×27736081² = 1538580378477122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27736021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3301 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (6937488).

Almost surely, 2^27736081 is an apocalyptic number.

It is an amenable number.

27736081 is a deficient number, since it is larger than the sum of its proper divisors (13871).

27736081 is a wasteful number, since it uses less digits than its factorization.

27736081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 27736081 is about 5266.5055777052. The cubic root of 27736081 is about 302.7018201055.

The spelling of 27736081 in words is "twenty-seven million, seven hundred thirty-six thousand, eighty-one".