71458168 has 8 divisors (see below), whose sum is σ = 133984080. Its totient is φ = 35729080.

The previous prime is 71458139. The next prime is 71458181. The reversal of 71458168 is 86185417.

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

It is a self number, because there is not a number n which added to its sum of digits gives 71458168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4466128 + ... + 4466143.

It is an arithmetic number, because the mean of its divisors is an integer number (16748010).

Almost surely, 2^71458168 is an apocalyptic number.

It is an amenable number.

71458168 is a deficient number, since it is larger than the sum of its proper divisors (62525912).

71458168 is a wasteful number, since it uses less digits than its factorization.

71458168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8932277 (or 8932273 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 71458168 is about 8453.2933227234. The cubic root of 71458168 is about 414.9705654839.

The spelling of 71458168 in words is "seventy-one million, four hundred fifty-eight thousand, one hundred sixty-eight".