47872028 has 6 divisors (see below), whose sum is σ = 83776056. Its totient is φ = 23936012.

The previous prime is 47872021. The next prime is 47872057. The reversal of 47872028 is 82027874.

47872028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47871982 and 47872000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47872021) by changing a digit.

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 as a sum of consecutive naturals, namely, 5984000 + ... + 5984007.

It is an arithmetic number, because the mean of its divisors is an integer number (13962676).

Almost surely, 2^47872028 is an apocalyptic number.

It is an amenable number.

47872028 is a deficient number, since it is larger than the sum of its proper divisors (35904028).

47872028 is a wasteful number, since it uses less digits than its factorization.

47872028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968011 (or 11968009 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 47872028 is about 6918.9614827660. The cubic root of 47872028 is about 363.1008581211.

The spelling of 47872028 in words is "forty-seven million, eight hundred seventy-two thousand, twenty-eight".