68437743 has 16 divisors (see below), whose sum is σ = 99743616. Its totient is φ = 41395040.

The previous prime is 68437703. The next prime is 68437771. The reversal of 68437743 is 34773486.

It is a cyclic number.

It is not a de Polignac number, because 68437743 - 2¹⁸ = 68175599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68437695 and 68437704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68437703) 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 15 ways as a sum of consecutive naturals, for example, 17605 + ... + 21137.

It is an arithmetic number, because the mean of its divisors is an integer number (6233976).

Almost surely, 2^68437743 is an apocalyptic number.

68437743 is a deficient number, since it is larger than the sum of its proper divisors (31305873).

68437743 is a wasteful number, since it uses less digits than its factorization.

68437743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134.

The product of its digits is 338688, while the sum is 42.

The square root of 68437743 is about 8272.7107407427. The cubic root of 68437743 is about 409.0394786568.

The spelling of 68437743 in words is "sixty-eight million, four hundred thirty-seven thousand, seven hundred forty-three".