247471168 has 168 divisors, whose sum is σ = 617110272. Its totient is φ = 97929216.

The previous prime is 247471127. The next prime is 247471177. The reversal of 247471168 is 861174742.

It is a happy number.

It is a super-2 number, since 2×247471168² = 122483957982568448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247471168.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3389980 + ... + 3390052.

Almost surely, 2^247471168 is an apocalyptic number.

247471168 is a gapful number since it is divisible by the number (28) 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 247471168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308555136).

247471168 is an abundant number, since it is smaller than the sum of its proper divisors (369639104).

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

247471168 is a wasteful number, since it uses less digits than its factorization.

247471168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 152 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 247471168 is about 15731.2163547515. The cubic root of 247471168 is about 627.8292367061.

The spelling of 247471168 in words is "two hundred forty-seven million, four hundred seventy-one thousand, one hundred sixty-eight".