47361636 has 54 divisors (see below), whose sum is σ = 139270950. Its totient is φ = 13531392.

The previous prime is 47361607. The next prime is 47361641. The reversal of 47361636 is 63616374.

It is a happy number.

47361636 is a `hidden beast` number, since 4 + 7 + 3 + 616 + 36 = 666.

47361636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36072036 + 11289600 = 6006^2 + 3360^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 47361636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11661 + ... + 15188.

Almost surely, 2^47361636 is an apocalyptic number.

It is an amenable number.

47361636 is an abundant number, since it is smaller than the sum of its proper divisors (91909314).

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

47361636 is a wasteful number, since it uses less digits than its factorization.

47361636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26873 (or 26861 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 47361636 is about 6881.9790758182. The cubic root of 47361636 is about 361.8058338283.

The spelling of 47361636 in words is "forty-seven million, three hundred sixty-one thousand, six hundred thirty-six".