47644036 has 24 divisors (see below), whose sum is σ = 91232064. Its totient is φ = 21590880.

The previous prime is 47644019. The next prime is 47644061. The reversal of 47644036 is 63044674.

It is a junction number, because it is equal to n+sod(n) for n = 47643992 and 47644010.

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, 14961 + ... + 17863.

It is an arithmetic number, because the mean of its divisors is an integer number (3801336).

Almost surely, 2^47644036 is an apocalyptic number.

It is an amenable number.

47644036 is a deficient number, since it is larger than the sum of its proper divisors (43588028).

47644036 is a wasteful number, since it uses less digits than its factorization.

47644036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3289 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 47644036 is about 6902.4659361709. The cubic root of 47644036 is about 362.5235142892.

The spelling of 47644036 in words is "forty-seven million, six hundred forty-four thousand, thirty-six".