30641268 has 108 divisors (see below), whose sum is σ = 87997056. Its totient is φ = 8265600.

The previous prime is 30641263. The next prime is 30641297. The reversal of 30641268 is 86214603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30641263) 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 35 ways as a sum of consecutive naturals, for example, 747328 + ... + 747368.

Almost surely, 2^30641268 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 30641268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43998528).

30641268 is an abundant number, since it is smaller than the sum of its proper divisors (57355788).

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

30641268 is a wasteful number, since it uses less digits than its factorization.

30641268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 30641268 is about 5535.4555368100. The cubic root of 30641268 is about 312.9216256593.

The spelling of 30641268 in words is "thirty million, six hundred forty-one thousand, two hundred sixty-eight".