71909369120 has 48 divisors (see below), whose sum is σ = 170061933888. Its totient is φ = 28733940480.

The previous prime is 71909369117. The next prime is 71909369143. The reversal of 71909369120 is 2196390917.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77666 + ... + 387105.

It is an arithmetic number, because the mean of its divisors is an integer number (3542956956).

Almost surely, 2^71909369120 is an apocalyptic number.

It is an amenable number.

71909369120 is an abundant number, since it is smaller than the sum of its proper divisors (98152564768).

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

71909369120 is a wasteful number, since it uses less digits than its factorization.

71909369120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465753 (or 465745 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 47.

The spelling of 71909369120 in words is "seventy-one billion, nine hundred nine million, three hundred sixty-nine thousand, one hundred twenty".