73622201 has 2 divisors, whose sum is σ = 73622202. Its totient is φ = 73622200.

The previous prime is 73622177. The next prime is 73622209. The reversal of 73622201 is 10222637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70896400 + 2725801 = 8420^2 + 1651^2 .

It is a cyclic number.

It is not a de Polignac number, because 73622201 - 2⁶ = 73622137 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 (73622209) 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, 36811100 + 36811101.

It is an arithmetic number, because the mean of its divisors is an integer number (36811101).

Almost surely, 2^73622201 is an apocalyptic number.

It is an amenable number.

73622201 is a deficient number, since it is larger than the sum of its proper divisors (1).

73622201 is an equidigital number, since it uses as much as digits as its factorization.

73622201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 73622201 is about 8580.3380469536. The cubic root of 73622201 is about 419.1179542713.

Adding to 73622201 its reverse (10222637), we get a palindrome (83844838).

The spelling of 73622201 in words is "seventy-three million, six hundred twenty-two thousand, two hundred one".