73128583375 has 32 divisors (see below), whose sum is σ = 100834471296. Its totient is φ = 52667507200.

The previous prime is 73128583357. The next prime is 73128583379. The reversal of 73128583375 is 57338582137.

It is not a de Polignac number, because 73128583375 - 2⁷ = 73128583247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73128583379) 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 31 ways as a sum of consecutive naturals, for example, 699244 + ... + 796993.

It is an arithmetic number, because the mean of its divisors is an integer number (3151077228).

Almost surely, 2^73128583375 is an apocalyptic number.

73128583375 is a deficient number, since it is larger than the sum of its proper divisors (27705887921).

73128583375 is a wasteful number, since it uses less digits than its factorization.

73128583375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496292 (or 1496282 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 73128583375 in words is "seventy-three billion, one hundred twenty-eight million, five hundred eighty-three thousand, three hundred seventy-five".