71958494244 has 192 divisors, whose sum is σ = 209577424896. Its totient is φ = 18710977536.

The previous prime is 71958494203. The next prime is 71958494269. The reversal of 71958494244 is 44249485917.

It is a super-2 number, since 2×71958494244² (a number of 23 digits) contains 22 as substring.

Its product of digits (11612160) is a multiple of the sum of its prime divisors (3072).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26522232 + ... + 26524944.

It is an arithmetic number, because the mean of its divisors is an integer number (1091549088).

Almost surely, 2^71958494244 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 71958494244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104788712448).

71958494244 is an abundant number, since it is smaller than the sum of its proper divisors (137618930652).

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

71958494244 is a wasteful number, since it uses less digits than its factorization.

71958494244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074 (or 3072 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 71958494244 in words is "seventy-one billion, nine hundred fifty-eight million, four hundred ninety-four thousand, two hundred forty-four".