72065172059 has 2 divisors, whose sum is σ = 72065172060. Its totient is φ = 72065172058.

The previous prime is 72065172041. The next prime is 72065172079. The reversal of 72065172059 is 95027156027.

It is a weak prime.

It is an emirp because it is prime and its reverse (95027156027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72065172059 - 2⁸ = 72065171803 is a prime.

It is a super-3 number, since 3×72065172059³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (72065172079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36032586029 + 36032586030.

It is an arithmetic number, because the mean of its divisors is an integer number (36032586030).

Almost surely, 2^72065172059 is an apocalyptic number.

72065172059 is a deficient number, since it is larger than the sum of its proper divisors (1).

72065172059 is an equidigital number, since it uses as much as digits as its factorization.

72065172059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 72065172059 in words is "seventy-two billion, sixty-five million, one hundred seventy-two thousand, fifty-nine".