83284072 has 16 divisors (see below), whose sum is σ = 156312900. Its totient is φ = 41600640.

The previous prime is 83284067. The next prime is 83284111. The reversal of 83284072 is 27048238.

It can be written as a sum of positive squares in 2 ways, for example, as 83283876 + 196 = 9126^2 + 14^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4422 + ... + 13642.

Almost surely, 2^83284072 is an apocalyptic number.

It is an amenable number.

83284072 is a deficient number, since it is larger than the sum of its proper divisors (73028828).

83284072 is a wasteful number, since it uses less digits than its factorization.

83284072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 83284072 is about 9126.0107385429. The cubic root of 83284072 is about 436.7041479264.

The spelling of 83284072 in words is "eighty-three million, two hundred eighty-four thousand, seventy-two".