68567406 has 8 divisors (see below), whose sum is σ = 137134824. Its totient is φ = 22855800.

The previous prime is 68567399. The next prime is 68567423. The reversal of 68567406 is 60476586.

It is a happy number.

68567406 is nontrivially palindromic in base 15.

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

68567406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713945 + ... + 5713956.

It is an arithmetic number, because the mean of its divisors is an integer number (17141853).

Almost surely, 2^68567406 is an apocalyptic number.

68567406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68567406 is a wasteful number, since it uses less digits than its factorization.

68567406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11427906.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 68567406 is about 8280.5438227208. The cubic root of 68567406 is about 409.2976394503.

The spelling of 68567406 in words is "sixty-eight million, five hundred sixty-seven thousand, four hundred six".