68805206 has 4 divisors (see below), whose sum is σ = 103207812. Its totient is φ = 34402602.

The previous prime is 68805199. The next prime is 68805223. The reversal of 68805206 is 60250886.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17201300 + ... + 17201303.

It is an arithmetic number, because the mean of its divisors is an integer number (25801953).

Almost surely, 2^68805206 is an apocalyptic number.

68805206 is a deficient number, since it is larger than the sum of its proper divisors (34402606).

68805206 is a wasteful number, since it uses less digits than its factorization.

68805206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34402605.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 68805206 is about 8294.8903549113. The cubic root of 68805206 is about 409.7702579635.

The spelling of 68805206 in words is "sixty-eight million, eight hundred five thousand, two hundred six".