84044072 has 16 divisors (see below), whose sum is σ = 180094560. Its totient is φ = 36018864.

The previous prime is 84044053. The next prime is 84044083. The reversal of 84044072 is 27044048.

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, 750338 + ... + 750449.

It is an arithmetic number, because the mean of its divisors is an integer number (11255910).

Almost surely, 2^84044072 is an apocalyptic number.

It is an amenable number.

84044072 is an abundant number, since it is smaller than the sum of its proper divisors (96050488).

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

84044072 is a wasteful number, since it uses less digits than its factorization.

84044072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500800 (or 1500796 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 84044072 is about 9167.5553993417. Note that the first 3 decimals coincide. The cubic root of 84044072 is about 438.0284935211.

The spelling of 84044072 in words is "eighty-four million, forty-four thousand, seventy-two".