73289256128 has 56 divisors (see below), whose sum is σ = 160195077120. Its totient is φ = 32989835520.

The previous prime is 73289256097. The next prime is 73289256151. The reversal of 73289256128 is 82165298237.

It is a self number, because there is not a number n which added to its sum of digits gives 73289256128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432848 + ... + 577871.

Almost surely, 2^73289256128 is an apocalyptic number.

It is an amenable number.

73289256128 is an abundant number, since it is smaller than the sum of its proper divisors (86905820992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73289256128 is a wasteful number, since it uses less digits than its factorization.

73289256128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010845 (or 1010835 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The spelling of 73289256128 in words is "seventy-three billion, two hundred eighty-nine million, two hundred fifty-six thousand, one hundred twenty-eight".