71812343 has 8 divisors (see below), whose sum is σ = 76550400. Its totient is φ = 67170168.

The previous prime is 71812331. The next prime is 71812357. The reversal of 71812343 is 34321817.

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

It is not a de Polignac number, because 71812343 - 2⁴ = 71812327 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 (71812393) 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, 22421 + ... + 25422.

It is an arithmetic number, because the mean of its divisors is an integer number (9568800).

Almost surely, 2^71812343 is an apocalyptic number.

71812343 is a deficient number, since it is larger than the sum of its proper divisors (4738057).

71812343 is a wasteful number, since it uses less digits than its factorization.

71812343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47941.

The product of its digits is 4032, while the sum is 29.

The square root of 71812343 is about 8474.2163649508. The cubic root of 71812343 is about 415.6550221063.

The spelling of 71812343 in words is "seventy-one million, eight hundred twelve thousand, three hundred forty-three".