71834413 has 4 divisors (see below), whose sum is σ = 82096480. Its totient is φ = 61572348.

The previous prime is 71834369. The next prime is 71834437. The reversal of 71834413 is 31443817.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31443817 = 79 ⋅398023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71834413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71834513) 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, 5131023 + ... + 5131036.

It is an arithmetic number, because the mean of its divisors is an integer number (20524120).

Almost surely, 2^71834413 is an apocalyptic number.

It is an amenable number.

71834413 is a deficient number, since it is larger than the sum of its proper divisors (10262067).

71834413 is a wasteful number, since it uses less digits than its factorization.

71834413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262066.

The product of its digits is 8064, while the sum is 31.

The square root of 71834413 is about 8475.5184502188. The cubic root of 71834413 is about 415.6975986624.

The spelling of 71834413 in words is "seventy-one million, eight hundred thirty-four thousand, four hundred thirteen".