71834199 has 4 divisors (see below), whose sum is σ = 95778936. Its totient is φ = 47889464.

The previous prime is 71834183. The next prime is 71834207. The reversal of 71834199 is 99143817.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71834199 - 2⁴ = 71834183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71834199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71034199) 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 3 ways as a sum of consecutive naturals, for example, 11972364 + ... + 11972369.

It is an arithmetic number, because the mean of its divisors is an integer number (23944734).

Almost surely, 2^71834199 is an apocalyptic number.

71834199 is a deficient number, since it is larger than the sum of its proper divisors (23944737).

71834199 is a wasteful number, since it uses less digits than its factorization.

71834199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23944736.

The product of its digits is 54432, while the sum is 42.

The square root of 71834199 is about 8475.5058256130. The cubic root of 71834199 is about 415.6971858640.

The spelling of 71834199 in words is "seventy-one million, eight hundred thirty-four thousand, one hundred ninety-nine".