71940738930 has 16 divisors (see below), whose sum is σ = 172657773504. Its totient is φ = 19184197040.

The previous prime is 71940738913. The next prime is 71940738931. The reversal of 71940738930 is 3983704917.

It is not an unprimeable number, because it can be changed into a prime (71940738931) 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, 1199012286 + ... + 1199012345.

It is an arithmetic number, because the mean of its divisors is an integer number (10791110844).

Almost surely, 2^71940738930 is an apocalyptic number.

71940738930 is an abundant number, since it is smaller than the sum of its proper divisors (100717034574).

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

71940738930 is a wasteful number, since it uses less digits than its factorization.

71940738930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398024641.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 71940738930 in words is "seventy-one billion, nine hundred forty million, seven hundred thirty-eight thousand, nine hundred thirty".