71824915604912 has 40 divisors (see below), whose sum is σ = 146503220358960. Its totient is φ = 34018102483200.

The previous prime is 71824915604873. The next prime is 71824915604921. The reversal of 71824915604912 is 21940651942817.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12221339 + ... + 17117562.

It is an arithmetic number, because the mean of its divisors is an integer number (3662580508974).

Almost surely, 2^{71824915604912} is an apocalyptic number.

It is an amenable number.

71824915604912 is an abundant number, since it is smaller than the sum of its proper divisors (74678304754048).

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

71824915604912 is a wasteful number, since it uses less digits than its factorization.

71824915604912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29346981 (or 29346975 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 71824915604912 in words is "seventy-one trillion, eight hundred twenty-four billion, nine hundred fifteen million, six hundred four thousand, nine hundred twelve".