47495728 has 40 divisors (see below), whose sum is σ = 105747200. Its totient is φ = 20243520.

The previous prime is 47495719. The next prime is 47495729. The reversal of 47495728 is 82759474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47495729) 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, 21223 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (2643680).

Almost surely, 2^47495728 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 47495728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52873600).

47495728 is an abundant number, since it is smaller than the sum of its proper divisors (58251472).

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

47495728 is a wasteful number, since it uses less digits than its factorization.

47495728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2339 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 47495728 is about 6891.7144456224. The cubic root of 47495728 is about 362.1469647363.

The spelling of 47495728 in words is "forty-seven million, four hundred ninety-five thousand, seven hundred twenty-eight".