68443005 has 8 divisors (see below), whose sum is σ = 109508832. Its totient is φ = 36502928.

The previous prime is 68442989. The next prime is 68443013. The reversal of 68443005 is 50034486.

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 68443005 - 2⁴ = 68442989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2281419 + ... + 2281448.

It is an arithmetic number, because the mean of its divisors is an integer number (13688604).

Almost surely, 2^68443005 is an apocalyptic number.

It is an amenable number.

68443005 is a deficient number, since it is larger than the sum of its proper divisors (41065827).

68443005 is a wasteful number, since it uses less digits than its factorization.

68443005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562875.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 68443005 is about 8273.0287682323. The cubic root of 68443005 is about 409.0499617153.

The spelling of 68443005 in words is "sixty-eight million, four hundred forty-three thousand, five".