71434844 has 24 divisors (see below), whose sum is σ = 134946000. Its totient is φ = 32891904.

The previous prime is 71434841. The next prime is 71434873. The reversal of 71434844 is 44843417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71434841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24572 + ... + 27324.

It is an arithmetic number, because the mean of its divisors is an integer number (5622750).

Almost surely, 2^71434844 is an apocalyptic number.

It is an amenable number.

71434844 is a deficient number, since it is larger than the sum of its proper divisors (63511156).

71434844 is a wasteful number, since it uses less digits than its factorization.

71434844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269 (or 3267 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 71434844 is about 8451.9136294688. The cubic root of 71434844 is about 414.9254116688.

The spelling of 71434844 in words is "seventy-one million, four hundred thirty-four thousand, eight hundred forty-four".