47638476 has 48 divisors (see below), whose sum is σ = 124240480. Its totient is φ = 15785280.

The previous prime is 47638457. The next prime is 47638477. The reversal of 47638476 is 67483674.

47638476 is a `hidden beast` number, since 4 + 7 + 638 + 4 + 7 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (47638477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18330 + ... + 20766.

Almost surely, 2^47638476 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 47638476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62120240).

47638476 is an abundant number, since it is smaller than the sum of its proper divisors (76602004).

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

47638476 is a wasteful number, since it uses less digits than its factorization.

47638476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631 (or 2623 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 47638476 is about 6902.0631698065. The cubic root of 47638476 is about 362.5094117255.

The spelling of 47638476 in words is "forty-seven million, six hundred thirty-eight thousand, four hundred seventy-six".