71765743354 has 4 divisors (see below), whose sum is σ = 107648615034. Its totient is φ = 35882871676.

The previous prime is 71765743351. The next prime is 71765743367. The reversal of 71765743354 is 45334756717.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71595310329 + 170433025 = 267573^2 + 13055^2 .

It is not an unprimeable number, because it can be changed into a prime (71765743351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17941435837 + ... + 17941435840.

Almost surely, 2^71765743354 is an apocalyptic number.

71765743354 is a deficient number, since it is larger than the sum of its proper divisors (35882871680).

71765743354 is a wasteful number, since it uses less digits than its factorization.

71765743354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35882871679.

The product of its digits is 7408800, while the sum is 52.

The spelling of 71765743354 in words is "seventy-one billion, seven hundred sixty-five million, seven hundred forty-three thousand, three hundred fifty-four".