68482643 has 4 divisors (see below), whose sum is σ = 69504840. Its totient is φ = 67460448.

The previous prime is 68482637. The next prime is 68482649. The reversal of 68482643 is 34628486.

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

It is an interprime number because it is at equal distance from previous prime (68482637) and next prime (68482649).

It is a cyclic number.

It is not a de Polignac number, because 68482643 - 2²⁰ = 67434067 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 68482643.

It is not an unprimeable number, because it can be changed into a prime (68482649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510998 + ... + 511131.

It is an arithmetic number, because the mean of its divisors is an integer number (17376210).

Almost surely, 2^68482643 is an apocalyptic number.

68482643 is a deficient number, since it is larger than the sum of its proper divisors (1022197).

68482643 is a wasteful number, since it uses less digits than its factorization.

68482643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022196.

The product of its digits is 221184, while the sum is 41.

The square root of 68482643 is about 8275.4240374739. The cubic root of 68482643 is about 409.1289120446.

The spelling of 68482643 in words is "sixty-eight million, four hundred eighty-two thousand, six hundred forty-three".