73243431773 has 8 divisors (see below), whose sum is σ = 73533008640. Its totient is φ = 72954375120.

The previous prime is 73243431769. The next prime is 73243431787. The reversal of 73243431773 is 37713434237.

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 73243431773 - 2² = 73243431769 is a prime.

It is a super-2 number, since 2×73243431773² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73243431763) 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, 153308 + ... + 412298.

It is an arithmetic number, because the mean of its divisors is an integer number (9191626080).

Almost surely, 2^73243431773 is an apocalyptic number.

It is an amenable number.

73243431773 is a deficient number, since it is larger than the sum of its proper divisors (289576867).

73243431773 is a wasteful number, since it uses less digits than its factorization.

73243431773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260107.

The product of its digits is 889056, while the sum is 44.

The spelling of 73243431773 in words is "seventy-three billion, two hundred forty-three million, four hundred thirty-one thousand, seven hundred seventy-three".