68546741 has 8 divisors (see below), whose sum is σ = 69161400. Its totient is φ = 67935168.

The previous prime is 68546729. The next prime is 68546743. The reversal of 68546741 is 14764586.

It can be written as a sum of positive squares in 4 ways, for example, as 50822641 + 17724100 = 7129^2 + 4210^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68546741 - 2²² = 64352437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68546743) 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 7 ways as a sum of consecutive naturals, for example, 68255 + ... + 69251.

It is an arithmetic number, because the mean of its divisors is an integer number (8645175).

Almost surely, 2^68546741 is an apocalyptic number.

It is an amenable number.

68546741 is a deficient number, since it is larger than the sum of its proper divisors (614659).

68546741 is a wasteful number, since it uses less digits than its factorization.

68546741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543.

The product of its digits is 161280, while the sum is 41.

The square root of 68546741 is about 8279.2959241713. The cubic root of 68546741 is about 409.2565169691.

The spelling of 68546741 in words is "sixty-eight million, five hundred forty-six thousand, seven hundred forty-one".