73208128 has 28 divisors (see below), whose sum is σ = 166026592. Its totient is φ = 31374720.

The previous prime is 73208119. The next prime is 73208147. The reversal of 73208128 is 82180237.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 73208128.

It is a congruent number.

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, 81258 + ... + 82153.

Almost surely, 2^73208128 is an apocalyptic number.

It is an amenable number.

73208128 is an abundant number, since it is smaller than the sum of its proper divisors (92818464).

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

73208128 is a wasteful number, since it uses less digits than its factorization.

73208128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163430 (or 163420 counting only the distinct ones).

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

The square root of 73208128 is about 8556.1748462733. The cubic root of 73208128 is about 418.3307288435.

The spelling of 73208128 in words is "seventy-three million, two hundred eight thousand, one hundred twenty-eight".