71520872572082 has 8 divisors (see below), whose sum is σ = 107321057406000. Its totient is φ = 35747186770084.

The previous prime is 71520872572073. The next prime is 71520872572087. The reversal of 71520872572082 is 28027527802517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71520872572087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6624751232 + ... + 6624762027.

It is an arithmetic number, because the mean of its divisors is an integer number (13415132175750).

Almost surely, 2^{71520872572082} is an apocalyptic number.

71520872572082 is a deficient number, since it is larger than the sum of its proper divisors (35800184833918).

71520872572082 is a wasteful number, since it uses less digits than its factorization.

71520872572082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249515960.

The product of its (nonzero) digits is 8780800, while the sum is 56.

The spelling of 71520872572082 in words is "seventy-one trillion, five hundred twenty billion, eight hundred seventy-two million, five hundred seventy-two thousand, eighty-two".