30668448 has 48 divisors (see below), whose sum is σ = 81327456. Its totient is φ = 10118400.

The previous prime is 30668437. The next prime is 30668467. The reversal of 30668448 is 84486603.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8115 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (1694322).

Almost surely, 2^30668448 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 30668448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40663728).

30668448 is an abundant number, since it is smaller than the sum of its proper divisors (50659008).

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

30668448 is a wasteful number, since it uses less digits than its factorization.

30668448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 30668448 is about 5537.9100751096. The cubic root of 30668448 is about 313.0141228780.

The spelling of 30668448 in words is "thirty million, six hundred sixty-eight thousand, four hundred forty-eight".