72472241724 has 12 divisors (see below), whose sum is σ = 169101897384. Its totient is φ = 24157413904.

The previous prime is 72472241707. The next prime is 72472241749. The reversal of 72472241724 is 42714227427.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3019676727 + ... + 3019676750.

It is an arithmetic number, because the mean of its divisors is an integer number (14091824782).

Almost surely, 2^72472241724 is an apocalyptic number.

It is an amenable number.

72472241724 is an abundant number, since it is smaller than the sum of its proper divisors (96629655660).

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

72472241724 is a wasteful number, since it uses less digits than its factorization.

72472241724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039353484 (or 6039353482 counting only the distinct ones).

The product of its digits is 351232, while the sum is 42.

The spelling of 72472241724 in words is "seventy-two billion, four hundred seventy-two million, two hundred forty-one thousand, seven hundred twenty-four".