71279168 has 56 divisors (see below), whose sum is σ = 150107904. Its totient is φ = 33523200.

The previous prime is 71279167. The next prime is 71279183. The reversal of 71279168 is 86197217.

It is not an unprimeable number, because it can be changed into a prime (71279167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72923 + ... + 73893.

Almost surely, 2^71279168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71279168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75053952).

71279168 is an abundant number, since it is smaller than the sum of its proper divisors (78828736).

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

71279168 is a wasteful number, since it uses less digits than its factorization.

71279168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1041 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 71279168 is about 8442.6990944839. The cubic root of 71279168 is about 414.6237805867.

The spelling of 71279168 in words is "seventy-one million, two hundred seventy-nine thousand, one hundred sixty-eight".