73043003533 has 4 divisors (see below), whose sum is σ = 76887372160. Its totient is φ = 69198634908.

The previous prime is 73043003459. The next prime is 73043003557. The reversal of 73043003533 is 33530034037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73043003533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73043003495 and 73043003504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73043003563) 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, 1922184285 + ... + 1922184322.

It is an arithmetic number, because the mean of its divisors is an integer number (19221843040).

Almost surely, 2^73043003533 is an apocalyptic number.

It is an amenable number.

73043003533 is a deficient number, since it is larger than the sum of its proper divisors (3844368627).

73043003533 is a wasteful number, since it uses less digits than its factorization.

73043003533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844368626.

The product of its (nonzero) digits is 34020, while the sum is 31.

The spelling of 73043003533 in words is "seventy-three billion, forty-three million, three thousand, five hundred thirty-three".