68441837 has 4 divisors (see below), whose sum is σ = 68459580. Its totient is φ = 68424096.

The previous prime is 68441803. The next prime is 68441839. The reversal of 68441837 is 73814486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7070281 + 61371556 = 2659^2 + 7834^2 .

It is a cyclic number.

It is not a de Polignac number, because 68441837 - 2¹⁴ = 68425453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68441794 and 68441803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68441839) 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 3 ways as a sum of consecutive naturals, for example, 368 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (17114895).

Almost surely, 2^68441837 is an apocalyptic number.

It is an amenable number.

68441837 is a deficient number, since it is larger than the sum of its proper divisors (17743).

68441837 is a wasteful number, since it uses less digits than its factorization.

68441837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17742.

The product of its digits is 129024, while the sum is 41.

The square root of 68441837 is about 8272.9581770972. The cubic root of 68441837 is about 409.0476348494.

The spelling of 68441837 in words is "sixty-eight million, four hundred forty-one thousand, eight hundred thirty-seven".