47187168 has 192 divisors, whose sum is σ = 153280512. Its totient is φ = 12418560.

The previous prime is 47187163. The next prime is 47187181. The reversal of 47187168 is 86178174.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47187163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664573 + ... + 664643.

It is an arithmetic number, because the mean of its divisors is an integer number (798336).

Almost surely, 2^47187168 is an apocalyptic number.

47187168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47187168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76640256).

47187168 is an abundant number, since it is smaller than the sum of its proper divisors (106093344).

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

47187168 is a wasteful number, since it uses less digits than its factorization.

47187168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 149 counting only the distinct ones).

The product of its digits is 75264, while the sum is 42.

The square root of 47187168 is about 6869.2916665403. The cubic root of 47187168 is about 361.3610208613.

The spelling of 47187168 in words is "forty-seven million, one hundred eighty-seven thousand, one hundred sixty-eight".