73983128 has 16 divisors (see below), whose sum is σ = 142468080. Its totient is φ = 35991648.

The previous prime is 73983121. The next prime is 73983137. The reversal of 73983128 is 82138937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73983121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 124676 + ... + 125267.

It is an arithmetic number, because the mean of its divisors is an integer number (8904255).

Almost surely, 2^73983128 is an apocalyptic number.

It is an amenable number.

73983128 is a deficient number, since it is larger than the sum of its proper divisors (68484952).

73983128 is a wasteful number, since it uses less digits than its factorization.

73983128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249986 (or 249982 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 73983128 is about 8601.3445460579. The cubic root of 73983128 is about 419.8017355985.

The spelling of 73983128 in words is "seventy-three million, nine hundred eighty-three thousand, one hundred twenty-eight".