71738860020 has 24 divisors (see below), whose sum is σ = 200868808224. Its totient is φ = 19130362656.

The previous prime is 71738860007. The next prime is 71738860021. The reversal of 71738860020 is 2006883717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71738860021) 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, 597823774 + ... + 597823893.

It is an arithmetic number, because the mean of its divisors is an integer number (8369533676).

Almost surely, 2^71738860020 is an apocalyptic number.

It is an amenable number.

71738860020 is an abundant number, since it is smaller than the sum of its proper divisors (129129948204).

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

71738860020 is a wasteful number, since it uses less digits than its factorization.

71738860020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195647679 (or 1195647677 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 71738860020 in words is "seventy-one billion, seven hundred thirty-eight million, eight hundred sixty thousand, twenty".