72450675041 has 4 divisors (see below), whose sum is σ = 72470212500. Its totient is φ = 72431137584.

The previous prime is 72450675029. The next prime is 72450675043. The reversal of 72450675041 is 14057605427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17462301025 + 54988374016 = 132145^2 + 234496^2 .

It is a cyclic number.

It is not a de Polignac number, because 72450675041 - 2²² = 72446480737 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 72450675041.

It is not an unprimeable number, because it can be changed into a prime (72450675043) 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 3 ways as a sum of consecutive naturals, for example, 9763166 + ... + 9770583.

It is an arithmetic number, because the mean of its divisors is an integer number (18117553125).

Almost surely, 2^72450675041 is an apocalyptic number.

It is an amenable number.

72450675041 is a deficient number, since it is larger than the sum of its proper divisors (19537459).

72450675041 is a wasteful number, since it uses less digits than its factorization.

72450675041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19537458.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 72450675041 in words is "seventy-two billion, four hundred fifty million, six hundred seventy-five thousand, forty-one".