47478120 has 64 divisors (see below), whose sum is σ = 143320320. Its totient is φ = 12582144.

The previous prime is 47478113. The next prime is 47478121. The reversal of 47478120 is 2187474.

47478120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47478121) 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 in 15 ways as a sum of consecutive naturals, for example, 19617 + ... + 21903.

It is an arithmetic number, because the mean of its divisors is an integer number (2239380).

Almost surely, 2^47478120 is an apocalyptic number.

47478120 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 47478120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71660160).

47478120 is an abundant number, since it is smaller than the sum of its proper divisors (95842200).

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

47478120 is a wasteful number, since it uses less digits than its factorization.

47478120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 47478120 is about 6890.4368511728. The cubic root of 47478120 is about 362.1022065220.

The spelling of 47478120 in words is "forty-seven million, four hundred seventy-eight thousand, one hundred twenty".