73285872 has 40 divisors (see below), whose sum is σ = 206534400. Its totient is φ = 22207680.

The previous prime is 73285867. The next prime is 73285879. The reversal of 73285872 is 27858237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73285879) 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 7 ways as a sum of consecutive naturals, for example, 68872 + ... + 69927.

It is an arithmetic number, because the mean of its divisors is an integer number (5163360).

Almost surely, 2^73285872 is an apocalyptic number.

It is an amenable number.

73285872 is an abundant number, since it is smaller than the sum of its proper divisors (133248528).

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

73285872 is a wasteful number, since it uses less digits than its factorization.

73285872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138821 (or 138815 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 73285872 is about 8560.7167924187. The cubic root of 73285872 is about 418.4787597578.

The spelling of 73285872 in words is "seventy-three million, two hundred eighty-five thousand, eight hundred seventy-two".