47012480 has 128 divisors (see below), whose sum is σ = 123930000. Its totient is φ = 16973824.

The previous prime is 47012477. The next prime is 47012501. The reversal of 47012480 is 8421074.

It can be written as a sum of positive squares in 8 ways, for example, as 17505856 + 29506624 = 4184^2 + 5432^2 .

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 315446 + ... + 315594.

Almost surely, 2^47012480 is an apocalyptic number.

47012480 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 47012480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61965000).

47012480 is an abundant number, since it is smaller than the sum of its proper divisors (76917520).

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

47012480 is a wasteful number, since it uses less digits than its factorization.

47012480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 47012480 is about 6856.5647375344. The cubic root of 47012480 is about 360.9145471371.

The spelling of 47012480 in words is "forty-seven million, twelve thousand, four hundred eighty".