72852217841 has 8 divisors (see below), whose sum is σ = 78458452800. Its totient is φ = 67246299792.

The previous prime is 72852217829. The next prime is 72852217849. The reversal of 72852217841 is 14871225827.

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 72852217841 - 2⁶ = 72852217777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72852217849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640316 + ... + 745458.

It is an arithmetic number, because the mean of its divisors is an integer number (9807306600).

Almost surely, 2^72852217841 is an apocalyptic number.

It is an amenable number.

72852217841 is a deficient number, since it is larger than the sum of its proper divisors (5606234959).

72852217841 is a wasteful number, since it uses less digits than its factorization.

72852217841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158455.

The product of its digits is 501760, while the sum is 47.

The spelling of 72852217841 in words is "seventy-two billion, eight hundred fifty-two million, two hundred seventeen thousand, eight hundred forty-one".