68648943 has 8 divisors (see below), whose sum is σ = 99853056. Its totient is φ = 41605400.

The previous prime is 68648897. The next prime is 68648947. The reversal of 68648943 is 34984686.

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

It is a cyclic number.

It is not a de Polignac number, because 68648943 - 2¹⁴ = 68632559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68648892 and 68648901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68648947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040103 + ... + 1040168.

It is an arithmetic number, because the mean of its divisors is an integer number (12481632).

Almost surely, 2^68648943 is an apocalyptic number.

68648943 is a deficient number, since it is larger than the sum of its proper divisors (31204113).

68648943 is a wasteful number, since it uses less digits than its factorization.

68648943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080285.

The product of its digits is 995328, while the sum is 48.

The square root of 68648943 is about 8285.4657684405. The cubic root of 68648943 is about 409.4598140841.

The spelling of 68648943 in words is "sixty-eight million, six hundred forty-eight thousand, nine hundred forty-three".