73200272569 has 2 divisors, whose sum is σ = 73200272570. Its totient is φ = 73200272568.

The previous prime is 73200272521. The next prime is 73200272659. The reversal of 73200272569 is 96527200237.

Together with next prime (73200272659) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47243196025 + 25957076544 = 217355^2 + 161112^2 .

It is a cyclic number.

It is not a de Polignac number, because 73200272569 - 2¹³ = 73200264377 is a prime.

It is a super-2 number, since 2×73200272569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73200272669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36600136284 + 36600136285.

It is an arithmetic number, because the mean of its divisors is an integer number (36600136285).

Almost surely, 2^73200272569 is an apocalyptic number.

It is an amenable number.

73200272569 is a deficient number, since it is larger than the sum of its proper divisors (1).

73200272569 is an equidigital number, since it uses as much as digits as its factorization.

73200272569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 73200272569 in words is "seventy-three billion, two hundred million, two hundred seventy-two thousand, five hundred sixty-nine".