68861741 has 8 divisors (see below), whose sum is σ = 75375384. Its totient is φ = 62521920.

The previous prime is 68861717. The next prime is 68861743. The reversal of 68861741 is 14716886.

It can be written as a sum of positive squares in 4 ways, for example, as 137641 + 68724100 = 371^2 + 8290^2 .

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 68861741 - 2¹⁰ = 68860717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68861743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42626 + ... + 44211.

It is an arithmetic number, because the mean of its divisors is an integer number (9421923).

Almost surely, 2^68861741 is an apocalyptic number.

68861741 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

68861741 is a deficient number, since it is larger than the sum of its proper divisors (6513643).

68861741 is a wasteful number, since it uses less digits than its factorization.

68861741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86911.

The product of its digits is 64512, while the sum is 41.

The square root of 68861741 is about 8298.2974759887. The cubic root of 68861741 is about 409.8824588698.

The spelling of 68861741 in words is "sixty-eight million, eight hundred sixty-one thousand, seven hundred forty-one".