71950529224 has 128 divisors (see below), whose sum is σ = 166067366400. Its totient is φ = 28523888640.

The previous prime is 71950529219. The next prime is 71950529239. The reversal of 71950529224 is 42292505917.

It is a super-2 number, since 2×71950529224² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21611592 + ... + 21614920.

It is an arithmetic number, because the mean of its divisors is an integer number (1297401300).

Almost surely, 2^71950529224 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 71950529224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83033683200).

71950529224 is an abundant number, since it is smaller than the sum of its proper divisors (94116837176).

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

71950529224 is a wasteful number, since it uses less digits than its factorization.

71950529224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743 (or 3739 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 71950529224 in words is "seventy-one billion, nine hundred fifty million, five hundred twenty-nine thousand, two hundred twenty-four".