47409968 has 20 divisors (see below), whose sum is σ = 91974768. Its totient is φ = 23674560.

The previous prime is 47409961. The next prime is 47409979. The reversal of 47409968 is 86990474.

47409968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47409968² = 4495410131522048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47409961) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16133 + ... + 18843.

Almost surely, 2^47409968 is an apocalyptic number.

It is an amenable number.

47409968 is a deficient number, since it is larger than the sum of its proper divisors (44564800).

47409968 is a wasteful number, since it uses less digits than its factorization.

47409968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 47409968 is about 6885.4896703139. The cubic root of 47409968 is about 361.9288648723.

The spelling of 47409968 in words is "forty-seven million, four hundred nine thousand, nine hundred sixty-eight".