71834823 has 16 divisors (see below), whose sum is σ = 106732800. Its totient is φ = 47750040.

The previous prime is 71834813. The next prime is 71834863. The reversal of 71834823 is 32843817.

It is not a de Polignac number, because 71834823 - 2¹⁰ = 71833799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71834803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5988 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (6670800).

Almost surely, 2^71834823 is an apocalyptic number.

71834823 is a deficient number, since it is larger than the sum of its proper divisors (34897977).

71834823 is a wasteful number, since it uses less digits than its factorization.

71834823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779 (or 7773 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 71834823 is about 8475.5426374953. The cubic root of 71834823 is about 415.6983895353.

The spelling of 71834823 in words is "seventy-one million, eight hundred thirty-four thousand, eight hundred twenty-three".