30070528 has 36 divisors (see below), whose sum is σ = 60670008. Its totient is φ = 14873600.

The previous prime is 30070489. The next prime is 30070549. The reversal of 30070528 is 82507003.

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 3 ways as a sum of consecutive naturals, for example, 25275 + ... + 26437.

It is an arithmetic number, because the mean of its divisors is an integer number (1685278).

Almost surely, 2^30070528 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 30070528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30335004).

30070528 is an abundant number, since it is smaller than the sum of its proper divisors (30599480).

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

30070528 is a wasteful number, since it uses less digits than its factorization.

30070528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 30070528 is about 5483.6600915812. The cubic root of 30070528 is about 310.9665565786.

The spelling of 30070528 in words is "thirty million, seventy thousand, five hundred twenty-eight".