73609339 has 2 divisors, whose sum is σ = 73609340. Its totient is φ = 73609338.

The previous prime is 73609307. The next prime is 73609343. The reversal of 73609339 is 93390637.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73609339 - 2⁵ = 73609307 is a prime.

It is not a weakly prime, because it can be changed into another prime (73600339) 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, 36804669 + 36804670.

It is an arithmetic number, because the mean of its divisors is an integer number (36804670).

Almost surely, 2^73609339 is an apocalyptic number.

73609339 is a deficient number, since it is larger than the sum of its proper divisors (1).

73609339 is an equidigital number, since it uses as much as digits as its factorization.

73609339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 73609339 is about 8579.5885099462. The cubic root of 73609339 is about 419.0935458319.

The spelling of 73609339 in words is "seventy-three million, six hundred nine thousand, three hundred thirty-nine".