71049568 has 24 divisors (see below), whose sum is σ = 140132160. Its totient is φ = 35460480.

The previous prime is 71049557. The next prime is 71049593. The reversal of 71049568 is 86594017.

It is a super-2 number, since 2×71049568² = 10096082225973248, 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 71049568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19473 + ... + 22831.

It is an arithmetic number, because the mean of its divisors is an integer number (5838840).

Almost surely, 2^71049568 is an apocalyptic number.

It is an amenable number.

71049568 is a deficient number, since it is larger than the sum of its proper divisors (69082592).

71049568 is a wasteful number, since it uses less digits than its factorization.

71049568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030 (or 4022 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 71049568 is about 8429.0905796533. The cubic root of 71049568 is about 414.1781149929.

It can be divided in two parts, 71049 and 568, that added together give a palindrome (71617).

The spelling of 71049568 in words is "seventy-one million, forty-nine thousand, five hundred sixty-eight".