71793250079 has 4 divisors (see below), whose sum is σ = 71806567776. Its totient is φ = 71779932384.

The previous prime is 71793250049. The next prime is 71793250091. The reversal of 71793250079 is 97005239717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97005239717 = 173 ⋅560723929.

It is a cyclic number.

It is not a de Polignac number, because 71793250079 - 2¹² = 71793245983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71793250049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6650759 + ... + 6661544.

It is an arithmetic number, because the mean of its divisors is an integer number (17951641944).

Almost surely, 2^71793250079 is an apocalyptic number.

71793250079 is a deficient number, since it is larger than the sum of its proper divisors (13317697).

71793250079 is a wasteful number, since it uses less digits than its factorization.

71793250079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13317696.

The product of its (nonzero) digits is 833490, while the sum is 50.

The spelling of 71793250079 in words is "seventy-one billion, seven hundred ninety-three million, two hundred fifty thousand, seventy-nine".