71944079504 has 40 divisors (see below), whose sum is σ = 155600002272. Its totient is φ = 31941342720.

The previous prime is 71944079503. The next prime is 71944079507. The reversal of 71944079504 is 40597044917.

It is not an unprimeable number, because it can be changed into a prime (71944079503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4745609 + ... + 4760744.

Almost surely, 2^71944079504 is an apocalyptic number.

It is an amenable number.

71944079504 is an abundant number, since it is smaller than the sum of its proper divisors (83655922768).

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

71944079504 is a wasteful number, since it uses less digits than its factorization.

71944079504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506415 (or 9506409 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 71944079504 in words is "seventy-one billion, nine hundred forty-four million, seventy-nine thousand, five hundred four".