71443719798 has 32 divisors (see below), whose sum is σ = 156025671552. Its totient is φ = 21628992000.

The previous prime is 71443719793. The next prime is 71443719811. The reversal of 71443719798 is 89791734417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71443719793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445611 + ... + 584342.

It is an arithmetic number, because the mean of its divisors is an integer number (4875802236).

Almost surely, 2^71443719798 is an apocalyptic number.

71443719798 is an abundant number, since it is smaller than the sum of its proper divisors (84581951754).

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

71443719798 is a wasteful number, since it uses less digits than its factorization.

71443719798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031020.

The product of its digits is 10668672, while the sum is 60.

The spelling of 71443719798 in words is "seventy-one billion, four hundred forty-three million, seven hundred nineteen thousand, seven hundred ninety-eight".