71304855427 has 4 divisors (see below), whose sum is σ = 76789844320. Its totient is φ = 65819866536.

The previous prime is 71304855421. The next prime is 71304855481. The reversal of 71304855427 is 72455840317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72455840317 = 7 ⋅10350834331.

It is a cyclic number.

It is not a de Polignac number, because 71304855427 - 2¹¹ = 71304853379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71304855421) 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, 2742494427 + ... + 2742494452.

It is an arithmetic number, because the mean of its divisors is an integer number (19197461080).

Almost surely, 2^71304855427 is an apocalyptic number.

71304855427 is a deficient number, since it is larger than the sum of its proper divisors (5484988893).

71304855427 is a wasteful number, since it uses less digits than its factorization.

71304855427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484988892.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 71304855427 in words is "seventy-one billion, three hundred four million, eight hundred fifty-five thousand, four hundred twenty-seven".