47316940 has 24 divisors (see below), whose sum is σ = 108399312. Its totient is φ = 17206080.

The previous prime is 47316937. The next prime is 47316959. The reversal of 47316940 is 4961374.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47316896 and 47316905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107319 + ... + 107758.

It is an arithmetic number, because the mean of its divisors is an integer number (4516638).

Almost surely, 2^47316940 is an apocalyptic number.

It is an amenable number.

47316940 is an abundant number, since it is smaller than the sum of its proper divisors (61082372).

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

47316940 is a wasteful number, since it uses less digits than its factorization.

47316940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215097 (or 215095 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47316940 is about 6878.7309876168. The cubic root of 47316940 is about 361.6919838530.

The spelling of 47316940 in words is "forty-seven million, three hundred sixteen thousand, nine hundred forty".