72352689275 has 12 divisors (see below), whose sum is σ = 89805932112. Its totient is φ = 57824991840.

The previous prime is 72352689271. The next prime is 72352689313. The reversal of 72352689275 is 57298625327.

It is not a de Polignac number, because 72352689275 - 2² = 72352689271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72352689275.

It is not an unprimeable number, because it can be changed into a prime (72352689271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1403159 + ... + 1453808.

It is an arithmetic number, because the mean of its divisors is an integer number (7483827676).

Almost surely, 2^72352689275 is an apocalyptic number.

72352689275 is a deficient number, since it is larger than the sum of its proper divisors (17453242837).

72352689275 is a wasteful number, since it uses less digits than its factorization.

72352689275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857990 (or 2857985 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 56.

The spelling of 72352689275 in words is "seventy-two billion, three hundred fifty-two million, six hundred eighty-nine thousand, two hundred seventy-five".