73051053173 has 4 divisors (see below), whose sum is σ = 83486917920. Its totient is φ = 62615188428.

The previous prime is 73051053167. The next prime is 73051053211. The reversal of 73051053173 is 37135015037.

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 not a de Polignac number, because 73051053173 - 2⁶ = 73051053109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73051053113) 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, 5217932363 + ... + 5217932376.

It is an arithmetic number, because the mean of its divisors is an integer number (20871729480).

Almost surely, 2^73051053173 is an apocalyptic number.

It is an amenable number.

73051053173 is a deficient number, since it is larger than the sum of its proper divisors (10435864747).

73051053173 is a wasteful number, since it uses less digits than its factorization.

73051053173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10435864746.

The product of its (nonzero) digits is 33075, while the sum is 35.

The spelling of 73051053173 in words is "seventy-three billion, fifty-one million, fifty-three thousand, one hundred seventy-three".