71396267427 has 8 divisors (see below), whose sum is σ = 105772248080. Its totient is φ = 47597511600.

The previous prime is 71396267417. The next prime is 71396267461. The reversal of 71396267427 is 72476269317.

71396267427 is a `hidden beast` number, since 7 + 1 + 3 + 9 + 626 + 7 + 4 + 2 + 7 = 666.

It is not a de Polignac number, because 71396267427 - 2⁶ = 71396267363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71396267417) 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, 1322153074 + ... + 1322153127.

It is an arithmetic number, because the mean of its divisors is an integer number (13221531010).

Almost surely, 2^71396267427 is an apocalyptic number.

71396267427 is a deficient number, since it is larger than the sum of its proper divisors (34375980653).

71396267427 is a wasteful number, since it uses less digits than its factorization.

71396267427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644306210 (or 2644306204 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The spelling of 71396267427 in words is "seventy-one billion, three hundred ninety-six million, two hundred sixty-seven thousand, four hundred twenty-seven".