83704072 has 16 divisors (see below), whose sum is σ = 158335740. Its totient is φ = 41481216.

The previous prime is 83704069. The next prime is 83704091. The reversal of 83704072 is 27040738.

It can be written as a sum of positive squares in 2 ways, for example, as 83649316 + 54756 = 9146^2 + 234^2 .

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, 45393 + ... + 47200.

Almost surely, 2^83704072 is an apocalyptic number.

It is an amenable number.

83704072 is a deficient number, since it is larger than the sum of its proper divisors (74631668).

83704072 is a wasteful number, since it uses less digits than its factorization.

83704072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92712 (or 92708 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 83704072 is about 9148.9929500465. The cubic root of 83704072 is about 437.4370142795.

The spelling of 83704072 in words is "eighty-three million, seven hundred four thousand, seventy-two".