73405296128 has 40 divisors (see below), whose sum is σ = 146754792360. Its totient is φ = 36680734720.

The previous prime is 73405296127. The next prime is 73405296193. The reversal of 73405296128 is 82169250437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73405296127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833063 + ... + 916953.

It is an arithmetic number, because the mean of its divisors is an integer number (3668869809).

It is a 1-persistent number, because it is pandigital, but 2⋅73405296128 = 146810592256 is not.

Almost surely, 2^73405296128 is an apocalyptic number.

It is an amenable number.

73405296128 is a deficient number, since it is larger than the sum of its proper divisors (73349496232).

73405296128 is an equidigital number, since it uses as much as digits as its factorization.

73405296128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85618 (or 85602 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 73405296128 in words is "seventy-three billion, four hundred five million, two hundred ninety-six thousand, one hundred twenty-eight".