73200389 has 2 divisors, whose sum is σ = 73200390. Its totient is φ = 73200388.

The previous prime is 73200377. The next prime is 73200401. The reversal of 73200389 is 98300237.

It is a balanced prime because it is at equal distance from previous prime (73200377) and next prime (73200401).

It can be written as a sum of positive squares in only one way, i.e., 46471489 + 26728900 = 6817^2 + 5170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73200389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73200989) 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, 36600194 + 36600195.

It is an arithmetic number, because the mean of its divisors is an integer number (36600195).

Almost surely, 2^73200389 is an apocalyptic number.

It is an amenable number.

73200389 is a deficient number, since it is larger than the sum of its proper divisors (1).

73200389 is an equidigital number, since it uses as much as digits as its factorization.

73200389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 73200389 is about 8555.7225878356. The cubic root of 73200389 is about 418.3159874221.

The spelling of 73200389 in words is "seventy-three million, two hundred thousand, three hundred eighty-nine".