73320404 has 6 divisors (see below), whose sum is σ = 128310714. Its totient is φ = 36660200.

The previous prime is 73320293. The next prime is 73320419. The reversal of 73320404 is 40402337.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72760900 + 559504 = 8530^2 + 748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73320404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9165047 + ... + 9165054.

It is an arithmetic number, because the mean of its divisors is an integer number (21385119).

Almost surely, 2^73320404 is an apocalyptic number.

It is an amenable number.

73320404 is a deficient number, since it is larger than the sum of its proper divisors (54990310).

73320404 is a wasteful number, since it uses less digits than its factorization.

73320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18330105 (or 18330103 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 73320404 is about 8562.7334420733. The cubic root of 73320404 is about 418.5444779242.

The spelling of 73320404 in words is "seventy-three million, three hundred twenty thousand, four hundred four".