30870168 has 64 divisors (see below), whose sum is σ = 89890560. Its totient is φ = 8651136.

The previous prime is 30870139. The next prime is 30870179. The reversal of 30870168 is 86107803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7171 + ... + 10637.

It is an arithmetic number, because the mean of its divisors is an integer number (1404540).

Almost surely, 2^30870168 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 30870168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44945280).

30870168 is an abundant number, since it is smaller than the sum of its proper divisors (59020392).

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

30870168 is a wasteful number, since it uses less digits than its factorization.

30870168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 30870168 is about 5556.0928717940. The cubic root of 30870168 is about 313.6989013252.

The spelling of 30870168 in words is "thirty million, eight hundred seventy thousand, one hundred sixty-eight".