71355734624 has 12 divisors (see below), whose sum is σ = 140481602604. Its totient is φ = 35677867296.

The previous prime is 71355734623. The next prime is 71355734633. The reversal of 71355734624 is 42643755317.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71355734623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114933322 + ... + 1114933385.

It is an arithmetic number, because the mean of its divisors is an integer number (11706800217).

Almost surely, 2^71355734624 is an apocalyptic number.

It is an amenable number.

71355734624 is a deficient number, since it is larger than the sum of its proper divisors (69125867980).

71355734624 is a wasteful number, since it uses less digits than its factorization.

71355734624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229866717 (or 2229866709 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 47.

The spelling of 71355734624 in words is "seventy-one billion, three hundred fifty-five million, seven hundred thirty-four thousand, six hundred twenty-four".