73028128 has 24 divisors (see below), whose sum is σ = 150026688. Its totient is φ = 34926144.

The previous prime is 73028101. The next prime is 73028129. The reversal of 73028128 is 82182037.

It is a self number, because there is not a number n which added to its sum of digits gives 73028128.

It is not an unprimeable number, because it can be changed into a prime (73028129) 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, 48876 + ... + 50347.

It is an arithmetic number, because the mean of its divisors is an integer number (6251112).

Almost surely, 2^73028128 is an apocalyptic number.

It is an amenable number.

73028128 is an abundant number, since it is smaller than the sum of its proper divisors (76998560).

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

73028128 is a wasteful number, since it uses less digits than its factorization.

73028128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99256 (or 99248 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 73028128 is about 8545.6496534787. The cubic root of 73028128 is about 417.9875914908.

The spelling of 73028128 in words is "seventy-three million, twenty-eight thousand, one hundred twenty-eight".