73143031406756 has 12 divisors (see below), whose sum is σ = 128027372092620. Its totient is φ = 36563782237440.

The previous prime is 73143031406743. The next prime is 73143031406759. The reversal of 73143031406756 is 65760413034137.

It can be written as a sum of positive squares in 2 ways, for example, as 7220323688356 + 65922707718400 = 2687066^2 + 8119280^2 .

It is not an unprimeable number, because it can be changed into a prime (73143031406759) 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, 1933345205 + ... + 1933383036.

It is an arithmetic number, because the mean of its divisors is an integer number (10668947674385).

Almost surely, 2^{73143031406756} is an apocalyptic number.

It is an amenable number.

73143031406756 is a deficient number, since it is larger than the sum of its proper divisors (54884340685864).

73143031406756 is a wasteful number, since it uses less digits than its factorization.

73143031406756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866732974 (or 3866732972 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 73143031406756 in words is "seventy-three trillion, one hundred forty-three billion, thirty-one million, four hundred six thousand, seven hundred fifty-six".