71300439000 has 512 divisors, whose sum is σ = 288288000000. Its totient is φ = 16295126400.

The previous prime is 71300438987. The next prime is 71300439017. The reversal of 71300439000 is 93400317.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9257151 + ... + 9264849.

It is an arithmetic number, because the mean of its divisors is an integer number (563062500).

Almost surely, 2^71300439000 is an apocalyptic number.

71300439000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71300439000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144144000000).

71300439000 is an abundant number, since it is smaller than the sum of its proper divisors (216987561000).

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

71300439000 is a wasteful number, since it uses less digits than its factorization.

71300439000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750 (or 7716 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

Adding to 71300439000 its reverse (93400317), we get a palindrome (71393839317).

The spelling of 71300439000 in words is "seventy-one billion, three hundred million, four hundred thirty-nine thousand".