30682368 has 144 divisors (see below), whose sum is σ = 95168640. Its totient is φ = 9732096.

The previous prime is 30682339. The next prime is 30682373. The reversal of 30682368 is 86328603.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158880 + ... + 159072.

Almost surely, 2^30682368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30682368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47584320).

30682368 is an abundant number, since it is smaller than the sum of its proper divisors (64486272).

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

30682368 is a wasteful number, since it uses less digits than its factorization.

30682368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 30682368 is about 5539.1667243368. The cubic root of 30682368 is about 313.0614733617.

The spelling of 30682368 in words is "thirty million, six hundred eighty-two thousand, three hundred sixty-eight".