71796067456 has 64 divisors (see below), whose sum is σ = 152736595200. Its totient is φ = 33542046720.

The previous prime is 71796067303. The next prime is 71796067517. The reversal of 71796067456 is 65476069717.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 71796067456.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 196890 + ... + 427033.

It is an arithmetic number, because the mean of its divisors is an integer number (2386509300).

Almost surely, 2^71796067456 is an apocalyptic number.

It is an amenable number.

71796067456 is an abundant number, since it is smaller than the sum of its proper divisors (80940527744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71796067456 is a wasteful number, since it uses less digits than its factorization.

71796067456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623997 (or 623985 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 71796067456 in words is "seventy-one billion, seven hundred ninety-six million, sixty-seven thousand, four hundred fifty-six".