68288806 has 8 divisors (see below), whose sum is σ = 102470040. Its totient is φ = 34132128.

The previous prime is 68288797. The next prime is 68288837. The reversal of 68288806 is 60888286.

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

It is a super-2 number, since 2×68288806² = 9326722049811272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4510 + ... + 12526.

It is an arithmetic number, because the mean of its divisors is an integer number (12808755).

Almost surely, 2^68288806 is an apocalyptic number.

68288806 is a deficient number, since it is larger than the sum of its proper divisors (34181234).

68288806 is a wasteful number, since it uses less digits than its factorization.

68288806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 68288806 is about 8263.7041331355. The cubic root of 68288806 is about 408.7425403658.

The spelling of 68288806 in words is "sixty-eight million, two hundred eighty-eight thousand, eight hundred six".