71367221000 has 64 divisors (see below), whose sum is σ = 167233248000. Its totient is φ = 28506897600.

The previous prime is 71367220999. The next prime is 71367221021. The reversal of 71367221000 is 12276317.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 669371 + ... + 768629.

It is an arithmetic number, because the mean of its divisors is an integer number (2613019500).

Almost surely, 2^71367221000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71367221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83616624000).

71367221000 is an abundant number, since it is smaller than the sum of its proper divisors (95866027000).

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

71367221000 is a wasteful number, since it uses less digits than its factorization.

71367221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99999 (or 99985 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 71367221000 its reverse (12276317), we get a palindrome (71379497317).

The spelling of 71367221000 in words is "seventy-one billion, three hundred sixty-seven million, two hundred twenty-one thousand".