47211168 has 24 divisors (see below), whose sum is σ = 123929568. Its totient is φ = 15737024.

The previous prime is 47211163. The next prime is 47211179. The reversal of 47211168 is 86111274.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (47211163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245796 + ... + 245987.

It is an arithmetic number, because the mean of its divisors is an integer number (5163732).

Almost surely, 2^47211168 is an apocalyptic number.

47211168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47211168 is an abundant number, since it is smaller than the sum of its proper divisors (76718400).

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

47211168 is a wasteful number, since it uses less digits than its factorization.

47211168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491796 (or 491788 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 47211168 is about 6871.0383494782. The cubic root of 47211168 is about 361.4222747639.

The spelling of 47211168 in words is "forty-seven million, two hundred eleven thousand, one hundred sixty-eight".