27001742005 has 64 divisors (see below), whose sum is σ = 39869107200. Its totient is φ = 17135529984.

The previous prime is 27001741969. The next prime is 27001742063. The reversal of 27001742005 is 50024710072.

It is not a de Polignac number, because 27001742005 - 2¹³ = 27001733813 is a prime.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 9129987 + ... + 9132943.

It is an arithmetic number, because the mean of its divisors is an integer number (622954800).

Almost surely, 2^27001742005 is an apocalyptic number.

It is an amenable number.

27001742005 is a deficient number, since it is larger than the sum of its proper divisors (12867365195).

27001742005 is a wasteful number, since it uses less digits than its factorization.

27001742005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238.

The product of its (nonzero) digits is 3920, while the sum is 28.

The spelling of 27001742005 in words is "twenty-seven billion, one million, seven hundred forty-two thousand, five".