72984196 has 12 divisors (see below), whose sum is σ = 135235548. Its totient is φ = 34345472.

The previous prime is 72984193. The next prime is 72984209. The reversal of 72984196 is 69148927.

It can be written as a sum of positive squares in 2 ways, for example, as 68657796 + 4326400 = 8286^2 + 2080^2 .

It is not an unprimeable number, because it can be changed into a prime (72984193) 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, 536581 + ... + 536716.

It is an arithmetic number, because the mean of its divisors is an integer number (11269629).

Almost surely, 2^72984196 is an apocalyptic number.

It is an amenable number.

72984196 is a deficient number, since it is larger than the sum of its proper divisors (62251352).

72984196 is a wasteful number, since it uses less digits than its factorization.

72984196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073318 (or 1073316 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 72984196 is about 8543.0788361106. The cubic root of 72984196 is about 417.9037575177.

The spelling of 72984196 in words is "seventy-two million, nine hundred eighty-four thousand, one hundred ninety-six".