72043648853 has 8 divisors (see below), whose sum is σ = 78654535680. Its totient is φ = 65443006080.

The previous prime is 72043648843. The next prime is 72043648879. The reversal of 72043648853 is 35884634027.

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 72043648853 - 2¹⁴ = 72043632469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72043648843) 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, 2546300 + ... + 2574437.

It is an arithmetic number, because the mean of its divisors is an integer number (9831816960).

Almost surely, 2^72043648853 is an apocalyptic number.

It is an amenable number.

72043648853 is a deficient number, since it is larger than the sum of its proper divisors (6610886827).

72043648853 is a wasteful number, since it uses less digits than its factorization.

72043648853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122027.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 72043648853 in words is "seventy-two billion, forty-three million, six hundred forty-eight thousand, eight hundred fifty-three".