71744762243 has 16 divisors (see below), whose sum is σ = 89796086784. Its totient is φ = 55687464960.

The previous prime is 71744762233. The next prime is 71744762311. The reversal of 71744762243 is 34226744717.

It is a cyclic number.

It is not a de Polignac number, because 71744762243 - 2¹⁶ = 71744696707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71744762203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792955 + ... + 1832532.

It is an arithmetic number, because the mean of its divisors is an integer number (5612255424).

Almost surely, 2^71744762243 is an apocalyptic number.

71744762243 is a deficient number, since it is larger than the sum of its proper divisors (18051324541).

71744762243 is a wasteful number, since it uses less digits than its factorization.

71744762243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625762.

The product of its digits is 1580544, while the sum is 47.

The spelling of 71744762243 in words is "seventy-one billion, seven hundred forty-four million, seven hundred sixty-two thousand, two hundred forty-three".