30125568 has 80 divisors (see below), whose sum is σ = 87601536. Its totient is φ = 9123840.

The previous prime is 30125549. The next prime is 30125587. The reversal of 30125568 is 86552103.

It is an interprime number because it is at equal distance from previous prime (30125549) and next prime (30125587).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16005 + ... + 17787.

Almost surely, 2^30125568 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 30125568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43800768).

30125568 is an abundant number, since it is smaller than the sum of its proper divisors (57475968).

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

30125568 is a wasteful number, since it uses less digits than its factorization.

30125568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 30125568 is about 5488.6763431633. The cubic root of 30125568 is about 311.1561682286.

The spelling of 30125568 in words is "thirty million, one hundred twenty-five thousand, five hundred sixty-eight".