72355548843 has 12 divisors (see below), whose sum is σ = 104672173320. Its totient is φ = 48163831296.

The previous prime is 72355548809. The next prime is 72355548847. The reversal of 72355548843 is 34884555327.

72355548843 is a `hidden beast` number, since 7 + 2 + 3 + 5 + 554 + 8 + 84 + 3 = 666.

It is not a de Polignac number, because 72355548843 - 2²² = 72351354539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72355548843.

It is not an unprimeable number, because it can be changed into a prime (72355548847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6093846 + ... + 6105707.

It is an arithmetic number, because the mean of its divisors is an integer number (8722681110).

Almost surely, 2^72355548843 is an apocalyptic number.

72355548843 is a deficient number, since it is larger than the sum of its proper divisors (32316624477).

72355548843 is a wasteful number, since it uses less digits than its factorization.

72355548843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200218 (or 12200215 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 54.

The spelling of 72355548843 in words is "seventy-two billion, three hundred fifty-five million, five hundred forty-eight thousand, eight hundred forty-three".