71087410830 has 64 divisors (see below), whose sum is σ = 174374208000. Its totient is φ = 18541607040.

The previous prime is 71087410813. The next prime is 71087410831. The reversal of 71087410830 is 3801478017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71087410831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251320 + ... + 453140.

It is an arithmetic number, because the mean of its divisors is an integer number (2724597000).

Almost surely, 2^71087410830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71087410830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87187104000).

71087410830 is an abundant number, since it is smaller than the sum of its proper divisors (103286797170).

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

71087410830 is a wasteful number, since it uses less digits than its factorization.

71087410830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202089.

The product of its (nonzero) digits is 37632, while the sum is 39.

Adding to 71087410830 its reverse (3801478017), we get a palindrome (74888888847).

The spelling of 71087410830 in words is "seventy-one billion, eighty-seven million, four hundred ten thousand, eight hundred thirty".