47528020 has 48 divisors (see below), whose sum is σ = 103194000. Its totient is φ = 18375680.

The previous prime is 47528003. The next prime is 47528021. The reversal of 47528020 is 2082574.

It can be written as a sum of positive squares in 8 ways, for example, as 20196036 + 27331984 = 4494^2 + 5228^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47528020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47528021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121986 + ... + 122374.

It is an arithmetic number, because the mean of its divisors is an integer number (2149875).

Almost surely, 2^47528020 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 47528020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51597000).

47528020 is an abundant number, since it is smaller than the sum of its proper divisors (55665980).

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

47528020 is a wasteful number, since it uses less digits than its factorization.

47528020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 47528020 is about 6894.0568608041. The cubic root of 47528020 is about 362.2290198386.

The spelling of 47528020 in words is "forty-seven million, five hundred twenty-eight thousand, twenty".