30733248 has 112 divisors (see below), whose sum is σ = 100136960. Its totient is φ = 8100864.

The previous prime is 30733247. The next prime is 30733259. The reversal of 30733248 is 84233703.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30733247) 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 15 ways as a sum of consecutive naturals, for example, 16593 + ... + 18351.

It is an arithmetic number, because the mean of its divisors is an integer number (894080).

Almost surely, 2^30733248 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 30733248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50068480).

30733248 is an abundant number, since it is smaller than the sum of its proper divisors (69403712).

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

30733248 is a wasteful number, since it uses less digits than its factorization.

30733248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 30733248 is about 5543.7575704571. The cubic root of 30733248 is about 313.2344258012.

The spelling of 30733248 in words is "thirty million, seven hundred thirty-three thousand, two hundred forty-eight".