48473728 has 32 divisors (see below), whose sum is σ = 98825760. Its totient is φ = 23670528.

The previous prime is 48473707. The next prime is 48473753. The reversal of 48473728 is 82737484.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (43).

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 3 ways as a sum of consecutive naturals, for example, 1101 + ... + 9907.

It is an arithmetic number, because the mean of its divisors is an integer number (3088305).

Almost surely, 2^48473728 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 48473728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49412880).

48473728 is an abundant number, since it is smaller than the sum of its proper divisors (50352032).

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

48473728 is an equidigital number, since it uses as much as digits as its factorization.

48473728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864 (or 8852 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 48473728 is about 6962.3076634116. The cubic root of 48473728 is about 364.6157913727.

The spelling of 48473728 in words is "forty-eight million, four hundred seventy-three thousand, seven hundred twenty-eight".