73404443 has 4 divisors (see below), whose sum is σ = 83890800. Its totient is φ = 62918088.

The previous prime is 73404439. The next prime is 73404449. The reversal of 73404443 is 34440437.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73404443 - 2² = 73404439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73404449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5243168 + ... + 5243181.

It is an arithmetic number, because the mean of its divisors is an integer number (20972700).

Almost surely, 2^73404443 is an apocalyptic number.

73404443 is a deficient number, since it is larger than the sum of its proper divisors (10486357).

73404443 is a wasteful number, since it uses less digits than its factorization.

73404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10486356.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 73404443 is about 8567.6392897927. The cubic root of 73404443 is about 418.7043271491.

The spelling of 73404443 in words is "seventy-three million, four hundred four thousand, four hundred forty-three".