73324397 has 2 divisors, whose sum is σ = 73324398. Its totient is φ = 73324396.

The previous prime is 73324373. The next prime is 73324411. The reversal of 73324397 is 79342337.

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., 70123876 + 3200521 = 8374^2 + 1789^2 .

It is an emirp because it is prime and its reverse (79342337) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73324397 - 2⁶ = 73324333 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73324397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73324357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36662198 + 36662199.

It is an arithmetic number, because the mean of its divisors is an integer number (36662199).

Almost surely, 2^73324397 is an apocalyptic number.

It is an amenable number.

73324397 is a deficient number, since it is larger than the sum of its proper divisors (1).

73324397 is an equidigital number, since it uses as much as digits as its factorization.

73324397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 38.

The square root of 73324397 is about 8562.9666004253. The cubic root of 73324397 is about 418.5520757082.

The spelling of 73324397 in words is "seventy-three million, three hundred twenty-four thousand, three hundred ninety-seven".