71456606984 has 16 divisors (see below), whose sum is σ = 153121300800. Its totient is φ = 30624260112.

The previous prime is 71456606899. The next prime is 71456606989. The reversal of 71456606984 is 48960665417.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1276010839 = 71456606984 / (7 + 1 + 4 + 5 + 6 + 6 + 0 + 6 + 9 + 8 + 4).

It is not an unprimeable number, because it can be changed into a prime (71456606989) 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 in 3 ways as a sum of consecutive naturals, for example, 638005364 + ... + 638005475.

It is an arithmetic number, because the mean of its divisors is an integer number (9570081300).

Almost surely, 2^71456606984 is an apocalyptic number.

It is an amenable number.

71456606984 is an abundant number, since it is smaller than the sum of its proper divisors (81664693816).

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

71456606984 is a wasteful number, since it uses less digits than its factorization.

71456606984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276010852 (or 1276010848 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 71456606984 in words is "seventy-one billion, four hundred fifty-six million, six hundred six thousand, nine hundred eighty-four".