68471443 has 4 divisors (see below), whose sum is σ = 68504728. Its totient is φ = 68438160.

The previous prime is 68471441. The next prime is 68471471. The reversal of 68471443 is 34417486.

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 68471443 - 2¹ = 68471441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68471441) 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, 13338 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (17126182).

Almost surely, 2^68471443 is an apocalyptic number.

68471443 is a deficient number, since it is larger than the sum of its proper divisors (33285).

68471443 is a wasteful number, since it uses less digits than its factorization.

68471443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33284.

The product of its digits is 64512, while the sum is 37.

The square root of 68471443 is about 8274.7473073200. The cubic root of 68471443 is about 409.1066071537.

It can be divided in two parts, 684 and 71443, that added together give a palindrome (72127).

The spelling of 68471443 in words is "sixty-eight million, four hundred seventy-one thousand, four hundred forty-three".