73636529 has 2 divisors, whose sum is σ = 73636530. Its totient is φ = 73636528.

The previous prime is 73636517. The next prime is 73636561. The reversal of 73636529 is 92563637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70946929 + 2689600 = 8423^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 73636529 - 2¹⁶ = 73570993 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73666529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36818264 + 36818265.

It is an arithmetic number, because the mean of its divisors is an integer number (36818265).

Almost surely, 2^73636529 is an apocalyptic number.

It is an amenable number.

73636529 is a deficient number, since it is larger than the sum of its proper divisors (1).

73636529 is an equidigital number, since it uses as much as digits as its factorization.

73636529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 41.

The square root of 73636529 is about 8581.1729384741. The cubic root of 73636529 is about 419.1451414170.

The spelling of 73636529 in words is "seventy-three million, six hundred thirty-six thousand, five hundred twenty-nine".