71364445885720 has 32 divisors (see below), whose sum is σ = 172921541955120. Its totient is φ = 26349949249920.

The previous prime is 71364445885717. The next prime is 71364445885729. The reversal of 71364445885720 is 2758854446317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71364445885729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68619658986 + ... + 68619660025.

Almost surely, 2^{71364445885720} is an apocalyptic number.

It is an amenable number.

71364445885720 is an abundant number, since it is smaller than the sum of its proper divisors (101557096069400).

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

71364445885720 is a wasteful number, since it uses less digits than its factorization.

71364445885720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137239319035 (or 137239319031 counting only the distinct ones).

The product of its (nonzero) digits is 180633600, while the sum is 64.

The spelling of 71364445885720 in words is "seventy-one trillion, three hundred sixty-four billion, four hundred forty-five million, eight hundred eighty-five thousand, seven hundred twenty".