30652768 has 72 divisors (see below), whose sum is σ = 67164552. Its totient is φ = 13719552.

The previous prime is 30652747. The next prime is 30652799. The reversal of 30652768 is 86725603.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 457471 + ... + 457537.

It is an arithmetic number, because the mean of its divisors is an integer number (932841).

Almost surely, 2^30652768 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 30652768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33582276).

30652768 is an abundant number, since it is smaller than the sum of its proper divisors (36511784).

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

30652768 is a wasteful number, since it uses less digits than its factorization.

30652768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 30652768 is about 5536.4941975947. The cubic root of 30652768 is about 312.9607683887.

The spelling of 30652768 in words is "thirty million, six hundred fifty-two thousand, seven hundred sixty-eight".