47704836 has 24 divisors (see below), whose sum is σ = 111442240. Its totient is φ = 15882912.

The previous prime is 47704819. The next prime is 47704837. The reversal of 47704836 is 63840774.

It is a happy number.

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 a junction number, because it is equal to n+sod(n) for n = 47704794 and 47704803.

It is not an unprimeable number, because it can be changed into a prime (47704837) 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, 11625 + ... + 15183.

Almost surely, 2^47704836 is an apocalyptic number.

It is an amenable number.

47704836 is an abundant number, since it is smaller than the sum of its proper divisors (63737404).

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

47704836 is a wasteful number, since it uses less digits than its factorization.

47704836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 47704836 is about 6906.8687550872. The cubic root of 47704836 is about 362.6776578242.

The spelling of 47704836 in words is "forty-seven million, seven hundred four thousand, eight hundred thirty-six".