72389019125 has 16 divisors (see below), whose sum is σ = 95096314560. Its totient is φ = 54863254800.

The previous prime is 72389019113. The next prime is 72389019151. The reversal of 72389019125 is 52191098327.

It is a happy number.

It is not a de Polignac number, because 72389019125 - 2¹² = 72389015029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72389019125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15237419 + ... + 15242168.

It is an arithmetic number, because the mean of its divisors is an integer number (5943519660).

Almost surely, 2^72389019125 is an apocalyptic number.

It is an amenable number.

72389019125 is a deficient number, since it is larger than the sum of its proper divisors (22707295435).

72389019125 is a wasteful number, since it uses less digits than its factorization.

72389019125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30479621 (or 30479611 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 72389019125 in words is "seventy-two billion, three hundred eighty-nine million, nineteen thousand, one hundred twenty-five".