27312173473 has 8 divisors (see below), whose sum is σ = 29767485888. Its totient is φ = 24907486224.

The previous prime is 27312173453. The next prime is 27312173519. The reversal of 27312173473 is 37437121372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27312173473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27312173453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12655165 + ... + 12657322.

It is an arithmetic number, because the mean of its divisors is an integer number (3720935736).

Almost surely, 2^27312173473 is an apocalyptic number.

It is an amenable number.

27312173473 is a deficient number, since it is larger than the sum of its proper divisors (2455312415).

27312173473 is a wasteful number, since it uses less digits than its factorization.

27312173473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25312583.

The product of its digits is 148176, while the sum is 40.

The spelling of 27312173473 in words is "twenty-seven billion, three hundred twelve million, one hundred seventy-three thousand, four hundred seventy-three".