30330752 has 32 divisors (see below), whose sum is σ = 62515800. Its totient is φ = 14640640.

The previous prime is 30330749. The next prime is 30330757. The reversal of 30330752 is 25703303.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30330757) by changing a digit.

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, 374 + ... + 7797.

Almost surely, 2^30330752 is an apocalyptic number.

30330752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30330752 is an abundant number, since it is smaller than the sum of its proper divisors (32185048).

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

30330752 is an equidigital number, since it uses as much as digits as its factorization.

30330752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214 (or 8202 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 23.

The square root of 30330752 is about 5507.3361981996. The cubic root of 30330752 is about 311.8609944005.

The spelling of 30330752 in words is "thirty million, three hundred thirty thousand, seven hundred fifty-two".