73942832973 has 4 divisors (see below), whose sum is σ = 98590443968. Its totient is φ = 49295221980.

The previous prime is 73942832947. The next prime is 73942832993. The reversal of 73942832973 is 37923824937.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37923824937 = 3 ⋅12641274979.

It is not a de Polignac number, because 73942832973 - 2⁹ = 73942832461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73942832993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12323805493 + ... + 12323805498.

It is an arithmetic number, because the mean of its divisors is an integer number (24647610992).

Almost surely, 2^73942832973 is an apocalyptic number.

It is an amenable number.

73942832973 is a deficient number, since it is larger than the sum of its proper divisors (24647610995).

73942832973 is a wasteful number, since it uses less digits than its factorization.

73942832973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24647610994.

The product of its digits is 13716864, while the sum is 57.

The spelling of 73942832973 in words is "seventy-three billion, nine hundred forty-two million, eight hundred thirty-two thousand, nine hundred seventy-three".