30832768 has 16 divisors (see below), whose sum is σ = 61424910. Its totient is φ = 15416320.

The previous prime is 30832717. The next prime is 30832783. The reversal of 30832768 is 86723803.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 4700224 = 5112^2 + 2168^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 120313 + ... + 120568.

Almost surely, 2^30832768 is an apocalyptic number.

It is an amenable number.

30832768 is a deficient number, since it is larger than the sum of its proper divisors (30592142).

30832768 is an equidigital number, since it uses as much as digits as its factorization.

30832768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240895 (or 240883 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 30832768 is about 5552.7261772935. The cubic root of 30832768 is about 313.5721653762.

The spelling of 30832768 in words is "thirty million, eight hundred thirty-two thousand, seven hundred sixty-eight".