47637828 has 96 divisors (see below), whose sum is σ = 143601920. Its totient is φ = 13374720.

The previous prime is 47637817. The next prime is 47637841. The reversal of 47637828 is 82873674.

It is a happy number.

47637828 is a `hidden beast` number, since 4 + 7 + 637 + 8 + 2 + 8 = 666.

47637828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 45600 + ... + 46632.

Almost surely, 2^47637828 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 47637828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71800960).

47637828 is an abundant number, since it is smaller than the sum of its proper divisors (95964092).

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

47637828 is a wasteful number, since it uses less digits than its factorization.

47637828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1106 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 47637828 is about 6902.0162271615. The cubic root of 47637828 is about 362.5077680460.

The spelling of 47637828 in words is "forty-seven million, six hundred thirty-seven thousand, eight hundred twenty-eight".