68663043 has 12 divisors (see below), whose sum is σ = 99270288. Its totient is φ = 45733680.

The previous prime is 68663033. The next prime is 68663053. The reversal of 68663043 is 34036686.

It is an interprime number because it is at equal distance from previous prime (68663033) and next prime (68663053).

It is not a de Polignac number, because 68663043 - 2⁵ = 68663011 is a prime.

It is a super-2 number, since 2×68663043² = 9429226948039698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68662989 and 68663007.

It is not an unprimeable number, because it can be changed into a prime (68663033) 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 11 ways as a sum of consecutive naturals, for example, 9513 + ... + 15093.

It is an arithmetic number, because the mean of its divisors is an integer number (8272524).

Almost surely, 2^68663043 is an apocalyptic number.

68663043 is a deficient number, since it is larger than the sum of its proper divisors (30607245).

68663043 is a wasteful number, since it uses less digits than its factorization.

68663043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954 (or 6951 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 68663043 is about 8286.3166123435. The cubic root of 68663043 is about 409.4878455337.

The spelling of 68663043 in words is "sixty-eight million, six hundred sixty-three thousand, forty-three".