68647343 has 4 divisors (see below), whose sum is σ = 72685440. Its totient is φ = 64609248.

The previous prime is 68647339. The next prime is 68647363. The reversal of 68647343 is 34374686.

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

It is not a de Polignac number, because 68647343 - 2² = 68647339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68647343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68647363) 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, 2019023 + ... + 2019056.

It is an arithmetic number, because the mean of its divisors is an integer number (18171360).

Almost surely, 2^68647343 is an apocalyptic number.

68647343 is a deficient number, since it is larger than the sum of its proper divisors (4038097).

68647343 is a wasteful number, since it uses less digits than its factorization.

68647343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038096.

The product of its digits is 290304, while the sum is 41.

The square root of 68647343 is about 8285.3692132578. The cubic root of 68647343 is about 409.4566329679.

The spelling of 68647343 in words is "sixty-eight million, six hundred forty-seven thousand, three hundred forty-three".