71312376500 has 48 divisors (see below), whose sum is σ = 155813308560. Its totient is φ = 28512665600.

The previous prime is 71312376481. The next prime is 71312376503. The reversal of 71312376500 is 567321317.

It can be written as a sum of positive squares in 8 ways, for example, as 7907122084 + 63405254416 = 88922^2 + 251804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71312376503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178996 + ... + 1238004.

It is an arithmetic number, because the mean of its divisors is an integer number (3246110595).

Almost surely, 2^71312376500 is an apocalyptic number.

It is an amenable number.

71312376500 is an abundant number, since it is smaller than the sum of its proper divisors (84500932060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71312376500 is a wasteful number, since it uses less digits than its factorization.

71312376500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61445 (or 61433 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

Adding to 71312376500 its reverse (567321317), we get a palindrome (71879697817).

The spelling of 71312376500 in words is "seventy-one billion, three hundred twelve million, three hundred seventy-six thousand, five hundred".