71867220700 has 144 divisors (see below), whose sum is σ = 180732182400. Its totient is φ = 24530169600.

The previous prime is 71867220697. The next prime is 71867220701. The reversal of 71867220700 is 702276817.

It is a super-2 number, since 2×71867220700² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71867220701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2262327 + ... + 2293873.

It is an arithmetic number, because the mean of its divisors is an integer number (1255084600).

Almost surely, 2^71867220700 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 71867220700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90366091200).

71867220700 is an abundant number, since it is smaller than the sum of its proper divisors (108864961700).

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

71867220700 is a wasteful number, since it uses less digits than its factorization.

71867220700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31700 (or 31693 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 71867220700 in words is "seventy-one billion, eight hundred sixty-seven million, two hundred twenty thousand, seven hundred".