72253825619 has 8 divisors (see below), whose sum is σ = 72795756240. Its totient is φ = 71712105856.

The previous prime is 72253825607. The next prime is 72253825621. The reversal of 72253825619 is 91652835227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72253825619 - 2²⁰ = 72252777043 is a prime.

It is a super-2 number, since 2×72253825619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72253125619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672392 + ... + 772410.

It is an arithmetic number, because the mean of its divisors is an integer number (9099469530).

Almost surely, 2^72253825619 is an apocalyptic number.

72253825619 is a deficient number, since it is larger than the sum of its proper divisors (541930621).

72253825619 is a wasteful number, since it uses less digits than its factorization.

72253825619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105429.

The product of its digits is 1814400, while the sum is 50.

The spelling of 72253825619 in words is "seventy-two billion, two hundred fifty-three million, eight hundred twenty-five thousand, six hundred nineteen".