68843570 has 8 divisors (see below), whose sum is σ = 123918444. Its totient is φ = 27537424.

The previous prime is 68843549. The next prime is 68843581. The reversal of 68843570 is 7534886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64336441 + 4507129 = 8021^2 + 2123^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3442169 + ... + 3442188.

Almost surely, 2^68843570 is an apocalyptic number.

68843570 is a deficient number, since it is larger than the sum of its proper divisors (55074874).

68843570 is a wasteful number, since it uses less digits than its factorization.

68843570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884364.

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

The square root of 68843570 is about 8297.2025406157. The cubic root of 68843570 is about 409.8464029058.

The spelling of 68843570 in words is "sixty-eight million, eight hundred forty-three thousand, five hundred seventy".