71628366732 has 24 divisors (see below), whose sum is σ = 179989229616. Its totient is φ = 22039497408.

The previous prime is 71628366731. The next prime is 71628366737. The reversal of 71628366732 is 23766382617.

It is not an unprimeable number, because it can be changed into a prime (71628366731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229577943 + ... + 229578254.

It is an arithmetic number, because the mean of its divisors is an integer number (7499551234).

Almost surely, 2^71628366732 is an apocalyptic number.

It is an amenable number.

71628366732 is an abundant number, since it is smaller than the sum of its proper divisors (108360862884).

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

71628366732 is a wasteful number, since it uses less digits than its factorization.

71628366732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459156217 (or 459156215 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 71628366732 in words is "seventy-one billion, six hundred twenty-eight million, three hundred sixty-six thousand, seven hundred thirty-two".