71605876473 has 64 divisors (see below), whose sum is σ = 110637875200. Its totient is φ = 45721247040.

The previous prime is 71605876453. The next prime is 71605876481. The reversal of 71605876473 is 37467850617.

71605876473 is a `hidden beast` number, since 7 + 16 + 0 + 587 + 6 + 47 + 3 = 666.

It is not a de Polignac number, because 71605876473 - 2⁸ = 71605876217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71605876453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77916708 + ... + 77917626.

It is an arithmetic number, because the mean of its divisors is an integer number (1728716800).

Almost surely, 2^71605876473 is an apocalyptic number.

It is an amenable number.

71605876473 is a deficient number, since it is larger than the sum of its proper divisors (39031998727).

71605876473 is a wasteful number, since it uses less digits than its factorization.

71605876473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 71605876473 in words is "seventy-one billion, six hundred five million, eight hundred seventy-six thousand, four hundred seventy-three".