72843850506241 has 4 divisors (see below), whose sum is σ = 72844830837184. Its totient is φ = 72842870175300.

The previous prime is 72843850506227. The next prime is 72843850506277. The reversal of 72843850506241 is 14260505834827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72843850506241 - 2⁵ = 72843850506209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72843850506341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490054005 + ... + 490202626.

It is an arithmetic number, because the mean of its divisors is an integer number (18211207709296).

Almost surely, 2^{72843850506241} is an apocalyptic number.

It is an amenable number.

72843850506241 is a deficient number, since it is larger than the sum of its proper divisors (980330943).

72843850506241 is an equidigital number, since it uses as much as digits as its factorization.

72843850506241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980330942.

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 72843850506241 in words is "seventy-two trillion, eight hundred forty-three billion, eight hundred fifty million, five hundred six thousand, two hundred forty-one".