68863743 has 16 divisors (see below), whose sum is σ = 109868640. Its totient is φ = 42377472.

The previous prime is 68863727. The next prime is 68863757. The reversal of 68863743 is 34736886.

68863743 is a `hidden beast` number, since 6 + 8 + 8 + 637 + 4 + 3 = 666.

It is not a de Polignac number, because 68863743 - 2⁴ = 68863727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68863343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97746 + ... + 98447.

It is an arithmetic number, because the mean of its divisors is an integer number (6866790).

Almost surely, 2^68863743 is an apocalyptic number.

68863743 is a deficient number, since it is larger than the sum of its proper divisors (41004897).

68863743 is a wasteful number, since it uses less digits than its factorization.

68863743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196215 (or 196209 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 68863743 is about 8298.4181022650. The cubic root of 68863743 is about 409.8864309677.

The spelling of 68863743 in words is "sixty-eight million, eight hundred sixty-three thousand, seven hundred forty-three".