73404304343 has 4 divisors (see below), whose sum is σ = 73466145720. Its totient is φ = 73342462968.

The previous prime is 73404304313. The next prime is 73404304381. The reversal of 73404304343 is 34340340437.

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 73404304343 - 2¹² = 73404300247 is a prime.

It is a super-3 number, since 3×73404304343³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73404304313) 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, 30918908 + ... + 30921281.

It is an arithmetic number, because the mean of its divisors is an integer number (18366536430).

Almost surely, 2^73404304343 is an apocalyptic number.

73404304343 is a deficient number, since it is larger than the sum of its proper divisors (61841377).

73404304343 is a wasteful number, since it uses less digits than its factorization.

73404304343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61841376.

The product of its (nonzero) digits is 145152, while the sum is 35.

The spelling of 73404304343 in words is "seventy-three billion, four hundred four million, three hundred four thousand, three hundred forty-three".