72242566271 has 2 divisors, whose sum is σ = 72242566272. Its totient is φ = 72242566270.

The previous prime is 72242566261. The next prime is 72242566303. The reversal of 72242566271 is 17266524227.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72242566271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72242566261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36121283135 + 36121283136.

It is an arithmetic number, because the mean of its divisors is an integer number (36121283136).

Almost surely, 2^72242566271 is an apocalyptic number.

72242566271 is a deficient number, since it is larger than the sum of its proper divisors (1).

72242566271 is an equidigital number, since it uses as much as digits as its factorization.

72242566271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 44.

The spelling of 72242566271 in words is "seventy-two billion, two hundred forty-two million, five hundred sixty-six thousand, two hundred seventy-one".