71194901027 has 4 divisors (see below), whose sum is σ = 71239877280. Its totient is φ = 71149924776.

The previous prime is 71194900991. The next prime is 71194901059. The reversal of 71194901027 is 72010949117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72010949117 = 449 ⋅160380733.

It is a cyclic number.

It is not a de Polignac number, because 71194901027 - 2¹⁰ = 71194900003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71194901077) 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, 22485752 + ... + 22488917.

It is an arithmetic number, because the mean of its divisors is an integer number (17809969320).

Almost surely, 2^71194901027 is an apocalyptic number.

71194901027 is a deficient number, since it is larger than the sum of its proper divisors (44976253).

71194901027 is a wasteful number, since it uses less digits than its factorization.

71194901027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44976252.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 71194901027 in words is "seventy-one billion, one hundred ninety-four million, nine hundred one thousand, twenty-seven".