71750586769 has 3 divisors (see below), whose sum is σ = 71750854633. Its totient is φ = 71750318906.

The previous prime is 71750586731. The next prime is 71750586773. The reversal of 71750586769 is 96768505717.

The square root of 71750586769 is 267863.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-71750586769 is a prime.

It is a super-2 number, since 2×71750586769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71750586779) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 133932 + ... + 401794.

Almost surely, 2^71750586769 is an apocalyptic number.

71750586769 is the 267863-rd square number.

71750586769 is the 133932-nd centered octagonal number.

It is an amenable number.

71750586769 is a deficient number, since it is larger than the sum of its proper divisors (267864).

71750586769 is an frugal number, since it uses more digits than its factorization.

71750586769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535726 (or 267863 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 71750586769 in words is "seventy-one billion, seven hundred fifty million, five hundred eighty-six thousand, seven hundred sixty-nine".