71716220620 has 24 divisors (see below), whose sum is σ = 164295342288. Its totient is φ = 26078625600.

The previous prime is 71716220603. The next prime is 71716220629. The reversal of 71716220620 is 2602261717.

It is not an unprimeable number, because it can be changed into a prime (71716220629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162991191 + ... + 162991630.

It is an arithmetic number, because the mean of its divisors is an integer number (6845639262).

Almost surely, 2^71716220620 is an apocalyptic number.

It is an amenable number.

71716220620 is an abundant number, since it is smaller than the sum of its proper divisors (92579121668).

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

71716220620 is a wasteful number, since it uses less digits than its factorization.

71716220620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325982841 (or 325982839 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 71716220620 in words is "seventy-one billion, seven hundred sixteen million, two hundred twenty thousand, six hundred twenty".