71700359220 has 480 divisors, whose sum is σ = 267256281600. Its totient is φ = 15744347136.

The previous prime is 71700359201. The next prime is 71700359231. The reversal of 71700359220 is 2295300717.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 86489766 + ... + 86490594.

It is an arithmetic number, because the mean of its divisors is an integer number (556783920).

Almost surely, 2^71700359220 is an apocalyptic number.

71700359220 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 71700359220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133628140800).

71700359220 is an abundant number, since it is smaller than the sum of its proper divisors (195555922380).

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

71700359220 is a wasteful number, since it uses less digits than its factorization.

71700359220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

Adding to 71700359220 its reverse (2295300717), we get a palindrome (73995659937).

The spelling of 71700359220 in words is "seventy-one billion, seven hundred million, three hundred fifty-nine thousand, two hundred twenty".