47528280 has 144 divisors (see below), whose sum is σ = 160786080. Its totient is φ = 12170496.

The previous prime is 47528279. The next prime is 47528293. The reversal of 47528280 is 8282574.

It is a happy number.

47528280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 896734 + ... + 896786.

It is an arithmetic number, because the mean of its divisors is an integer number (1116570).

Almost surely, 2^47528280 is an apocalyptic number.

47528280 is a gapful number since it is divisible by the number (40) 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 47528280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80393040).

47528280 is an abundant number, since it is smaller than the sum of its proper divisors (113257800).

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

47528280 is a wasteful number, since it uses less digits than its factorization.

47528280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 47528280 is about 6894.0757175999. The cubic root of 47528280 is about 362.2296803569.

The spelling of 47528280 in words is "forty-seven million, five hundred twenty-eight thousand, two hundred eighty".