72606525253 has 4 divisors (see below), whose sum is σ = 72609994080. Its totient is φ = 72603056428.

The previous prime is 72606525193. The next prime is 72606525283. The reversal of 72606525253 is 35252560627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72606525253 - 2²⁹ = 72069654341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72606525283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702825 + ... + 1744942.

It is an arithmetic number, because the mean of its divisors is an integer number (18152498520).

Almost surely, 2^72606525253 is an apocalyptic number.

It is an amenable number.

72606525253 is a deficient number, since it is larger than the sum of its proper divisors (3468827).

72606525253 is a wasteful number, since it uses less digits than its factorization.

72606525253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468826.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 72606525253 in words is "seventy-two billion, six hundred six million, five hundred twenty-five thousand, two hundred fifty-three".