68812006 has 4 divisors (see below), whose sum is σ = 103218012. Its totient is φ = 34406002.

The previous prime is 68811989. The next prime is 68812013. The reversal of 68812006 is 60021886.

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

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, 17203000 + ... + 17203003.

It is an arithmetic number, because the mean of its divisors is an integer number (25804503).

Almost surely, 2^68812006 is an apocalyptic number.

68812006 is a deficient number, since it is larger than the sum of its proper divisors (34406006).

68812006 is a wasteful number, since it uses less digits than its factorization.

68812006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34406005.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 68812006 is about 8295.3002356756. The cubic root of 68812006 is about 409.7837566803.

The spelling of 68812006 in words is "sixty-eight million, eight hundred twelve thousand, six".