71456210672 has 40 divisors (see below), whose sum is σ = 172608511872. Its totient is φ = 27840081600.

The previous prime is 71456210593. The next prime is 71456210677. The reversal of 71456210672 is 27601265417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71456210677) 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 7 ways as a sum of consecutive naturals, for example, 28998854 + ... + 29001317.

Almost surely, 2^71456210672 is an apocalyptic number.

It is an amenable number.

71456210672 is an abundant number, since it is smaller than the sum of its proper divisors (101152301200).

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

71456210672 is a wasteful number, since it uses less digits than its factorization.

71456210672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58000197 (or 58000191 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 71456210672 in words is "seventy-one billion, four hundred fifty-six million, two hundred ten thousand, six hundred seventy-two".