72873198 has 24 divisors (see below), whose sum is σ = 160873128. Its totient is φ = 23832432.

The previous prime is 72873197. The next prime is 72873211. The reversal of 72873198 is 89137827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72873197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37240 + ... + 39147.

It is an arithmetic number, because the mean of its divisors is an integer number (6703047).

Almost surely, 2^72873198 is an apocalyptic number.

72873198 is an abundant number, since it is smaller than the sum of its proper divisors (87999930).

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

72873198 is a wasteful number, since it uses less digits than its factorization.

72873198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76448 (or 76445 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 72873198 is about 8536.5799943537. The cubic root of 72873198 is about 417.6917937441.

The spelling of 72873198 in words is "seventy-two million, eight hundred seventy-three thousand, one hundred ninety-eight".