73126628128 has 24 divisors (see below), whose sum is σ = 148612181760. Its totient is φ = 35383851840.

The previous prime is 73126628059. The next prime is 73126628131. The reversal of 73126628128 is 82182662137.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36857188 + ... + 36859171.

It is an arithmetic number, because the mean of its divisors is an integer number (6192174240).

Almost surely, 2^73126628128 is an apocalyptic number.

It is an amenable number.

73126628128 is an abundant number, since it is smaller than the sum of its proper divisors (75485553632).

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

73126628128 is a wasteful number, since it uses less digits than its factorization.

73126628128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73716400 (or 73716392 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The spelling of 73126628128 in words is "seventy-three billion, one hundred twenty-six million, six hundred twenty-eight thousand, one hundred twenty-eight".