71443056 has 40 divisors (see below), whose sum is σ = 187098640. Its totient is φ = 23486976.

The previous prime is 71443049. The next prime is 71443079. The reversal of 71443056 is 65034417.

It is a super-2 number, since 2×71443056² = 10208220501238272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6691 + ... + 13698.

It is an arithmetic number, because the mean of its divisors is an integer number (4677466).

Almost surely, 2^71443056 is an apocalyptic number.

It is an amenable number.

71443056 is an abundant number, since it is smaller than the sum of its proper divisors (115655584).

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

71443056 is a wasteful number, since it uses less digits than its factorization.

71443056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20473 (or 20467 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 71443056 is about 8452.3994226492. The cubic root of 71443056 is about 414.9413107115.

The spelling of 71443056 in words is "seventy-one million, four hundred forty-three thousand, fifty-six".