68443106 has 4 divisors (see below), whose sum is σ = 102664662. Its totient is φ = 34221552.

The previous prime is 68443097. The next prime is 68443189. The reversal of 68443106 is 60134486.

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

It can be written as a sum of positive squares in only one way, i.e., 62267881 + 6175225 = 7891^2 + 2485^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17110775 + ... + 17110778.

Almost surely, 2^68443106 is an apocalyptic number.

68443106 is a deficient number, since it is larger than the sum of its proper divisors (34221556).

68443106 is a wasteful number, since it uses less digits than its factorization.

68443106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34221555.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68443106 is about 8273.0348724032. The cubic root of 68443106 is about 409.0501629242.

The spelling of 68443106 in words is "sixty-eight million, four hundred forty-three thousand, one hundred six".