72517227283 has 2 divisors, whose sum is σ = 72517227284. Its totient is φ = 72517227282.

The previous prime is 72517227281. The next prime is 72517227313. The reversal of 72517227283 is 38272271527.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72517227283 - 2¹ = 72517227281 is a prime.

Together with 72517227281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72517227281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36258613641 + 36258613642.

It is an arithmetic number, because the mean of its divisors is an integer number (36258613642).

Almost surely, 2^72517227283 is an apocalyptic number.

72517227283 is a deficient number, since it is larger than the sum of its proper divisors (1).

72517227283 is an equidigital number, since it uses as much as digits as its factorization.

72517227283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 46.

The spelling of 72517227283 in words is "seventy-two billion, five hundred seventeen million, two hundred twenty-seven thousand, two hundred eighty-three".