71934750773 has 2 divisors, whose sum is σ = 71934750774. Its totient is φ = 71934750772.

The previous prime is 71934750703. The next prime is 71934750781. The reversal of 71934750773 is 37705743917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53288028964 + 18646721809 = 230842^2 + 136553^2 .

It is a cyclic number.

It is not a de Polignac number, because 71934750773 - 2¹⁰ = 71934749749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71934750703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35967375386 + 35967375387.

It is an arithmetic number, because the mean of its divisors is an integer number (35967375387).

Almost surely, 2^71934750773 is an apocalyptic number.

It is an amenable number.

71934750773 is a deficient number, since it is larger than the sum of its proper divisors (1).

71934750773 is an equidigital number, since it uses as much as digits as its factorization.

71934750773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3889620, while the sum is 53.

The spelling of 71934750773 in words is "seventy-one billion, nine hundred thirty-four million, seven hundred fifty thousand, seven hundred seventy-three".