27073318017 has 4 divisors (see below), whose sum is σ = 36097757360. Its totient is φ = 18048878676.

The previous prime is 27073318003. The next prime is 27073318037. The reversal of 27073318017 is 71081337072.

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 not a de Polignac number, because 27073318017 - 2⁷ = 27073317889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27073318037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4512219667 + ... + 4512219672.

It is an arithmetic number, because the mean of its divisors is an integer number (9024439340).

Almost surely, 2^27073318017 is an apocalyptic number.

It is an amenable number.

27073318017 is a deficient number, since it is larger than the sum of its proper divisors (9024439343).

27073318017 is an equidigital number, since it uses as much as digits as its factorization.

27073318017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024439342.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 27073318017 in words is "twenty-seven billion, seventy-three million, three hundred eighteen thousand, seventeen".