71488168 has 8 divisors (see below), whose sum is σ = 134040330. Its totient is φ = 35744080.

The previous prime is 71488121. The next prime is 71488169. The reversal of 71488168 is 86188417.

It can be written as a sum of positive squares in only one way, i.e., 55980324 + 15507844 = 7482^2 + 3938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×71488168³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (71488169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4468003 + ... + 4468018.

Almost surely, 2^71488168 is an apocalyptic number.

It is an amenable number.

71488168 is a deficient number, since it is larger than the sum of its proper divisors (62552162).

71488168 is a wasteful number, since it uses less digits than its factorization.

71488168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936027 (or 8936023 counting only the distinct ones).

The product of its digits is 86016, while the sum is 43.

The square root of 71488168 is about 8455.0675928700. The cubic root of 71488168 is about 415.0286291761.

The spelling of 71488168 in words is "seventy-one million, four hundred eighty-eight thousand, one hundred sixty-eight".