71043838 has 8 divisors (see below), whose sum is σ = 107600688. Its totient is φ = 35176944.

The previous prime is 71043779. The next prime is 71043859. The reversal of 71043838 is 83834017.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 172231 + ... + 172642.

It is an arithmetic number, because the mean of its divisors is an integer number (13450086).

Almost surely, 2^71043838 is an apocalyptic number.

71043838 is a deficient number, since it is larger than the sum of its proper divisors (36556850).

71043838 is a wasteful number, since it uses less digits than its factorization.

71043838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344978.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 71043838 is about 8428.7506784814. The cubic root of 71043838 is about 414.1669804922.

The spelling of 71043838 in words is "seventy-one million, forty-three thousand, eight hundred thirty-eight".