68193963 has 6 divisors (see below), whose sum is σ = 98502404. Its totient is φ = 45462636.

The previous prime is 68193941. The next prime is 68193973. The reversal of 68193963 is 36939186.

It is not a de Polignac number, because 68193963 - 2¹⁰ = 68192939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68193973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3788545 + ... + 3788562.

Almost surely, 2^68193963 is an apocalyptic number.

68193963 is a deficient number, since it is larger than the sum of its proper divisors (30308441).

68193963 is a wasteful number, since it uses less digits than its factorization.

68193963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577113 (or 7577110 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 68193963 is about 8257.9636109637. The cubic root of 68193963 is about 408.5532251530.

The spelling of 68193963 in words is "sixty-eight million, one hundred ninety-three thousand, nine hundred sixty-three".