30528360 has 128 divisors (see below), whose sum is σ = 106272000. Its totient is φ = 7780608.

The previous prime is 30528353. The next prime is 30528373. The reversal of 30528360 is 6382503.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 24226 + ... + 25454.

It is an arithmetic number, because the mean of its divisors is an integer number (830250).

Almost surely, 2^30528360 is an apocalyptic number.

30528360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30528360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53136000).

30528360 is an abundant number, since it is smaller than the sum of its proper divisors (75743640).

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

30528360 is a wasteful number, since it uses less digits than its factorization.

30528360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30528360 is about 5525.2475057684. The cubic root of 30528360 is about 312.5367978001.

The spelling of 30528360 in words is "thirty million, five hundred twenty-eight thousand, three hundred sixty".