68471143 has 8 divisors (see below), whose sum is σ = 73802736. Its totient is φ = 63148800.

The previous prime is 68471113. The next prime is 68471147. The reversal of 68471143 is 34117486.

It is a happy number.

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

It is not a de Polignac number, because 68471143 - 2⁵ = 68471111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68471099 and 68471108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68471147) 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, 25788 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (9225342).

Almost surely, 2^68471143 is an apocalyptic number.

68471143 is a deficient number, since it is larger than the sum of its proper divisors (5331593).

68471143 is a wasteful number, since it uses less digits than its factorization.

68471143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625.

The product of its digits is 16128, while the sum is 34.

The square root of 68471143 is about 8274.7291798584. The cubic root of 68471143 is about 409.1060096678.

The spelling of 68471143 in words is "sixty-eight million, four hundred seventy-one thousand, one hundred forty-three".