73145344322 has 8 divisors (see below), whose sum is σ = 110783240256. Its totient is φ = 36217597572.

The previous prime is 73145344277. The next prime is 73145344339. The reversal of 73145344322 is 22344354137.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177537038 + ... + 177537449.

It is an arithmetic number, because the mean of its divisors is an integer number (13847905032).

Almost surely, 2^73145344322 is an apocalyptic number.

73145344322 is a deficient number, since it is larger than the sum of its proper divisors (37637895934).

73145344322 is a wasteful number, since it uses less digits than its factorization.

73145344322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355074592.

The product of its digits is 241920, while the sum is 38.

Adding to 73145344322 its reverse (22344354137), we get a palindrome (95489698459).

The spelling of 73145344322 in words is "seventy-three billion, one hundred forty-five million, three hundred forty-four thousand, three hundred twenty-two".