30768448 has 28 divisors (see below), whose sum is σ = 64272160. Its totient is φ = 14573952.

The previous prime is 30768443. The next prime is 30768481. The reversal of 30768448 is 84486703.

It is a self number, because there is not a number n which added to its sum of digits gives 30768448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768443) 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, 11436 + ... + 13867.

Almost surely, 2^30768448 is an apocalyptic number.

30768448 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30768448 is an abundant number, since it is smaller than the sum of its proper divisors (33503712).

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

30768448 is a wasteful number, since it uses less digits than its factorization.

30768448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25334 (or 25324 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 30768448 is about 5546.9314039386. The cubic root of 30768448 is about 313.3539667515.

The spelling of 30768448 in words is "thirty million, seven hundred sixty-eight thousand, four hundred forty-eight".