68402206 has 8 divisors (see below), whose sum is σ = 102776400. Its totient is φ = 34143408.

The previous prime is 68402189. The next prime is 68402219. The reversal of 68402206 is 60220486.

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

It is a congruent number.

It is an unprimeable number.

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, 27351 + ... + 29746.

It is an arithmetic number, because the mean of its divisors is an integer number (12847050).

Almost surely, 2^68402206 is an apocalyptic number.

68402206 is a deficient number, since it is larger than the sum of its proper divisors (34374194).

68402206 is a wasteful number, since it uses less digits than its factorization.

68402206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57698.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 68402206 is about 8270.5626168961. The cubic root of 68402206 is about 408.9686670840.

The spelling of 68402206 in words is "sixty-eight million, four hundred two thousand, two hundred six".