47748928 has 56 divisors (see below), whose sum is σ = 100364544. Its totient is φ = 22502400.

The previous prime is 47748917. The next prime is 47748931. The reversal of 47748928 is 82984774.

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 7 ways as a sum of consecutive naturals, for example, 81051 + ... + 81637.

It is an arithmetic number, because the mean of its divisors is an integer number (1792224).

Almost surely, 2^47748928 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 47748928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50182272).

47748928 is an abundant number, since it is smaller than the sum of its proper divisors (52615616).

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

47748928 is a wasteful number, since it uses less digits than its factorization.

47748928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 661 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 47748928 is about 6910.0599129096. The cubic root of 47748928 is about 362.7893603995.

The spelling of 47748928 in words is "forty-seven million, seven hundred forty-eight thousand, nine hundred twenty-eight".