343880071 has 4 divisors (see below), whose sum is σ = 344220552. Its totient is φ = 343539592.

The previous prime is 343880041. The next prime is 343880077. The reversal of 343880071 is 170088343.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343880071 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 (343880077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168721 + ... + 170746.

It is an arithmetic number, because the mean of its divisors is an integer number (86055138).

Almost surely, 2^343880071 is an apocalyptic number.

343880071 is a deficient number, since it is larger than the sum of its proper divisors (340481).

343880071 is a wasteful number, since it uses less digits than its factorization.

343880071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340480.

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

The square root of 343880071 is about 18544.0036399910. The cubic root of 343880071 is about 700.5981764451.

The spelling of 343880071 in words is "three hundred forty-three million, eight hundred eighty thousand, seventy-one".