72517525005 has 16 divisors (see below), whose sum is σ = 122853219264. Its totient is φ = 36400953600.

The previous prime is 72517524991. The next prime is 72517525009. The reversal of 72517525005 is 50052571527.

It is not a de Polignac number, because 72517525005 - 2¹² = 72517520909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72517525009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142190971 + ... + 142191480.

It is an arithmetic number, because the mean of its divisors is an integer number (7678326204).

Almost surely, 2^72517525005 is an apocalyptic number.

It is an amenable number.

72517525005 is a deficient number, since it is larger than the sum of its proper divisors (50335694259).

72517525005 is a wasteful number, since it uses less digits than its factorization.

72517525005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284382476.

The product of its (nonzero) digits is 122500, while the sum is 39.

The spelling of 72517525005 in words is "seventy-two billion, five hundred seventeen million, five hundred twenty-five thousand, five".