73323009 has 16 divisors (see below), whose sum is σ = 110678400. Its totient is φ = 47958768.

The previous prime is 73323007. The next prime is 73323053. The reversal of 73323009 is 90032337.

It is not a de Polignac number, because 73323009 - 2¹ = 73323007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (73323001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24189 + ... + 27050.

It is an arithmetic number, because the mean of its divisors is an integer number (6917400).

Almost surely, 2^73323009 is an apocalyptic number.

It is an amenable number.

73323009 is a deficient number, since it is larger than the sum of its proper divisors (37355391).

73323009 is a wasteful number, since it uses less digits than its factorization.

73323009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51301 (or 51295 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 73323009 is about 8562.8855533634. The cubic root of 73323009 is about 418.5494346866.

The spelling of 73323009 in words is "seventy-three million, three hundred twenty-three thousand, nine".