71740230593 has 4 divisors (see below), whose sum is σ = 72750656448. Its totient is φ = 70729804740.

The previous prime is 71740230589. The next prime is 71740230629. The reversal of 71740230593 is 39503204717.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39503204717 = 29 ⋅1362179473.

It is a cyclic number.

It is not a de Polignac number, because 71740230593 - 2² = 71740230589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71740230593.

It is not an unprimeable number, because it can be changed into a prime (71740230563) 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, 505212821 + ... + 505212962.

It is an arithmetic number, because the mean of its divisors is an integer number (18187664112).

Almost surely, 2^71740230593 is an apocalyptic number.

It is an amenable number.

71740230593 is a deficient number, since it is larger than the sum of its proper divisors (1010425855).

71740230593 is a wasteful number, since it uses less digits than its factorization.

71740230593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010425854.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 71740230593 in words is "seventy-one billion, seven hundred forty million, two hundred thirty thousand, five hundred ninety-three".