30421168 has 20 divisors (see below), whose sum is σ = 60843328. Its totient is φ = 14719680.

The previous prime is 30421163. The next prime is 30421169. The reversal of 30421168 is 86112403.

30421168 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30421163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30171 + ... + 31162.

Almost surely, 2^30421168 is an apocalyptic number.

It is an amenable number.

30421168 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30421168 is a wasteful number, since it uses less digits than its factorization.

30421168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61372 (or 61366 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30421168 is about 5515.5387769465. The cubic root of 30421168 is about 312.1705729577.

The spelling of 30421168 in words is "thirty million, four hundred twenty-one thousand, one hundred sixty-eight".