71345807140 has 48 divisors (see below), whose sum is σ = 150458031360. Its totient is φ = 28418161280.

The previous prime is 71345807123. The next prime is 71345807149. The reversal of 71345807140 is 4170854317.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71345807093 and 71345807102.

It is not an unprimeable number, because it can be changed into a prime (71345807149) 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, 6892809 + ... + 6903151.

It is an arithmetic number, because the mean of its divisors is an integer number (3134542320).

Almost surely, 2^71345807140 is an apocalyptic number.

It is an amenable number.

71345807140 is an abundant number, since it is smaller than the sum of its proper divisors (79112224220).

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

71345807140 is a wasteful number, since it uses less digits than its factorization.

71345807140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11772 (or 11770 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 71345807140 in words is "seventy-one billion, three hundred forty-five million, eight hundred seven thousand, one hundred forty".