71796565005 has 32 divisors (see below), whose sum is σ = 126010055808. Its totient is φ = 34618118400.

The previous prime is 71796564989. The next prime is 71796565007. The reversal of 71796565005 is 50056569717.

It is not a de Polignac number, because 71796565005 - 2⁴ = 71796564989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71796565007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1172154 + ... + 1231883.

It is an arithmetic number, because the mean of its divisors is an integer number (3937814244).

Almost surely, 2^71796565005 is an apocalyptic number.

It is an amenable number.

71796565005 is a deficient number, since it is larger than the sum of its proper divisors (54213490803).

71796565005 is a wasteful number, since it uses less digits than its factorization.

71796565005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404237.

The product of its (nonzero) digits is 1984500, while the sum is 51.

The spelling of 71796565005 in words is "seventy-one billion, seven hundred ninety-six million, five hundred sixty-five thousand, five".