27075620173 has 12 divisors (see below), whose sum is σ = 31939741152. Its totient is φ = 22880802840.

The previous prime is 27075620107. The next prime is 27075620191. The reversal of 27075620173 is 37102657072.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-27075620173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27075621173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3887815 + ... + 3894772.

It is an arithmetic number, because the mean of its divisors is an integer number (2661645096).

Almost surely, 2^27075620173 is an apocalyptic number.

It is an amenable number.

27075620173 is a deficient number, since it is larger than the sum of its proper divisors (4864120979).

27075620173 is an equidigital number, since it uses as much as digits as its factorization.

27075620173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782672 (or 7782665 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 27075620173 in words is "twenty-seven billion, seventy-five million, six hundred twenty thousand, one hundred seventy-three".