47786128 has 40 divisors (see below), whose sum is σ = 102937856. Its totient is φ = 21340800.

The previous prime is 47786107. The next prime is 47786153. The reversal of 47786128 is 82168774.

It is a super-3 number, since 3×47786128³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2743 + ... + 10153.

Almost surely, 2^47786128 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 47786128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51468928).

47786128 is an abundant number, since it is smaller than the sum of its proper divisors (55151728).

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

47786128 is a wasteful number, since it uses less digits than its factorization.

47786128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463 (or 7457 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 47786128 is about 6912.7511165961. The cubic root of 47786128 is about 362.8835493273.

The spelling of 47786128 in words is "forty-seven million, seven hundred eighty-six thousand, one hundred twenty-eight".