30378568 has 32 divisors (see below), whose sum is σ = 65412000. Its totient is φ = 13080960.

The previous prime is 30378563. The next prime is 30378577. The reversal of 30378568 is 86587303.

It is a self number, because there is not a number n which added to its sum of digits gives 30378568.

It is not an unprimeable number, because it can be changed into a prime (30378563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7413 + ... + 10756.

It is an arithmetic number, because the mean of its divisors is an integer number (2044125).

Almost surely, 2^30378568 is an apocalyptic number.

30378568 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30378568 is an abundant number, since it is smaller than the sum of its proper divisors (35033432).

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

30378568 is a wasteful number, since it uses less digits than its factorization.

30378568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18205 (or 18201 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 30378568 is about 5511.6756072904. The cubic root of 30378568 is about 312.0247898339.

The spelling of 30378568 in words is "thirty million, three hundred seventy-eight thousand, five hundred sixty-eight".