68835743 has 4 divisors (see below), whose sum is σ = 68852400. Its totient is φ = 68819088.

The previous prime is 68835721. The next prime is 68835749. The reversal of 68835743 is 34753886.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 68835743 - 2¹⁸ = 68573599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68835694 and 68835703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68835749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 12131.

It is an arithmetic number, because the mean of its divisors is an integer number (17213100).

Almost surely, 2^68835743 is an apocalyptic number.

68835743 is a deficient number, since it is larger than the sum of its proper divisors (16657).

68835743 is an equidigital number, since it uses as much as digits as its factorization.

68835743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16656.

The product of its digits is 483840, while the sum is 44.

The square root of 68835743 is about 8296.7308622131. The cubic root of 68835743 is about 409.8308701583.

The spelling of 68835743 in words is "sixty-eight million, eight hundred thirty-five thousand, seven hundred forty-three".