73636601 has 2 divisors, whose sum is σ = 73636602. Its totient is φ = 73636600.

The previous prime is 73636561. The next prime is 73636603. The reversal of 73636601 is 10663637.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69222400 + 4414201 = 8320^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 73636601 - 2¹⁰ = 73635577 is a prime.

Together with 73636603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73636603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36818300 + 36818301.

It is an arithmetic number, because the mean of its divisors is an integer number (36818301).

Almost surely, 2^73636601 is an apocalyptic number.

It is an amenable number.

73636601 is a deficient number, since it is larger than the sum of its proper divisors (1).

73636601 is an equidigital number, since it uses as much as digits as its factorization.

73636601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 73636601 is about 8581.1771337037. The cubic root of 73636601 is about 419.1452780269.

The spelling of 73636601 in words is "seventy-three million, six hundred thirty-six thousand, six hundred one".