47280648 has 32 divisors (see below), whose sum is σ = 118388160. Its totient is φ = 15735360.

The previous prime is 47280647. The next prime is 47280661. The reversal of 47280648 is 84608274.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47280647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20178 + ... + 22398.

It is an arithmetic number, because the mean of its divisors is an integer number (3699630).

Almost surely, 2^47280648 is an apocalyptic number.

It is an amenable number.

47280648 is an abundant number, since it is smaller than the sum of its proper divisors (71107512).

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

47280648 is a wasteful number, since it uses less digits than its factorization.

47280648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3113 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 47280648 is about 6876.0924950149. The cubic root of 47280648 is about 361.5994878540.

The spelling of 47280648 in words is "forty-seven million, two hundred eighty thousand, six hundred forty-eight".