73194321005 has 8 divisors (see below), whose sum is σ = 94589584152. Its totient is φ = 54051190848.

The previous prime is 73194321001. The next prime is 73194321007. The reversal of 73194321005 is 50012349137.

It can be written as a sum of positive squares in 4 ways, for example, as 9999400009 + 63194920996 = 99997^2 + 251386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73194321005 - 2² = 73194321001 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 (73194321001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563033174 + ... + 563033303.

It is an arithmetic number, because the mean of its divisors is an integer number (11823698019).

Almost surely, 2^73194321005 is an apocalyptic number.

It is an amenable number.

73194321005 is a deficient number, since it is larger than the sum of its proper divisors (21395263147).

73194321005 is a wasteful number, since it uses less digits than its factorization.

73194321005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126066495.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 73194321005 in words is "seventy-three billion, one hundred ninety-four million, three hundred twenty-one thousand, five".