73585669 has 2 divisors, whose sum is σ = 73585670. Its totient is φ = 73585668.

The previous prime is 73585667. The next prime is 73585739. The reversal of 73585669 is 96658537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47196900 + 26388769 = 6870^2 + 5137^2 .

It is a cyclic number.

It is not a de Polignac number, because 73585669 - 2¹ = 73585667 is a prime.

It is a super-2 number, since 2×73585669² = 10829701364355122, which contains 22 as substring.

Together with 73585667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73585667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36792834 + 36792835.

It is an arithmetic number, because the mean of its divisors is an integer number (36792835).

Almost surely, 2^73585669 is an apocalyptic number.

It is an amenable number.

73585669 is a deficient number, since it is larger than the sum of its proper divisors (1).

73585669 is an equidigital number, since it uses as much as digits as its factorization.

73585669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 49.

The square root of 73585669 is about 8578.2089622485. The cubic root of 73585669 is about 419.0486194324.

The spelling of 73585669 in words is "seventy-three million, five hundred eighty-five thousand, six hundred sixty-nine".