30378852 has 36 divisors (see below), whose sum is σ = 87761856. Its totient is φ = 8679600.

The previous prime is 30378851. The next prime is 30378869. The reversal of 30378852 is 25887303.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30378851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60024 + ... + 60527.

Almost surely, 2^30378852 is an apocalyptic number.

It is an amenable number.

30378852 is an abundant number, since it is smaller than the sum of its proper divisors (57383004).

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

30378852 is a wasteful number, since it uses less digits than its factorization.

30378852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120568 (or 120563 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 30378852 is about 5511.7013707203. The cubic root of 30378852 is about 312.0257621725.

The spelling of 30378852 in words is "thirty million, three hundred seventy-eight thousand, eight hundred fifty-two".