71258872 has 8 divisors (see below), whose sum is σ = 133610400. Its totient is φ = 35629432.

The previous prime is 71258867. The next prime is 71258893. The reversal of 71258872 is 27885217.

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

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, 4453672 + ... + 4453687.

It is an arithmetic number, because the mean of its divisors is an integer number (16701300).

Almost surely, 2^71258872 is an apocalyptic number.

It is an amenable number.

71258872 is a deficient number, since it is larger than the sum of its proper divisors (62351528).

71258872 is a wasteful number, since it uses less digits than its factorization.

71258872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8907365 (or 8907361 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The square root of 71258872 is about 8441.4970236327. The cubic root of 71258872 is about 414.5844235846.

The spelling of 71258872 in words is "seventy-one million, two hundred fifty-eight thousand, eight hundred seventy-two".