71976676329 has 32 divisors (see below), whose sum is σ = 112950720000. Its totient is φ = 45143384832.

The previous prime is 71976676279. The next prime is 71976676361. The reversal of 71976676329 is 92367667917.

It is not a de Polignac number, because 71976676329 - 2⁸ = 71976676073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71976676829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1139232 + ... + 1200750.

It is an arithmetic number, because the mean of its divisors is an integer number (3529710000).

Almost surely, 2^71976676329 is an apocalyptic number.

It is an amenable number.

71976676329 is a deficient number, since it is larger than the sum of its proper divisors (40974043671).

71976676329 is a wasteful number, since it uses less digits than its factorization.

71976676329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64094 (or 64088 counting only the distinct ones).

The product of its digits is 36006768, while the sum is 63.

The spelling of 71976676329 in words is "seventy-one billion, nine hundred seventy-six million, six hundred seventy-six thousand, three hundred twenty-nine".