71375482197 has 6 divisors (see below), whose sum is σ = 103097918742. Its totient is φ = 47583654792.

The previous prime is 71375482187. The next prime is 71375482237. The reversal of 71375482197 is 79128457317.

71375482197 is a `hidden beast` number, since 7 + 1 + 3 + 7 + 548 + 2 + 1 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57660495876 + 13714986321 = 240126^2 + 117111^2 .

It is not a de Polignac number, because 71375482197 - 2³⁰ = 70301740373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71375482127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3965304558 + ... + 3965304575.

It is an arithmetic number, because the mean of its divisors is an integer number (17182986457).

Almost surely, 2^71375482197 is an apocalyptic number.

It is an amenable number.

71375482197 is a deficient number, since it is larger than the sum of its proper divisors (31722436545).

71375482197 is a wasteful number, since it uses less digits than its factorization.

71375482197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7930609139 (or 7930609136 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The spelling of 71375482197 in words is "seventy-one billion, three hundred seventy-five million, four hundred eighty-two thousand, one hundred ninety-seven".