68406412 has 12 divisors (see below), whose sum is σ = 119893816. Its totient is φ = 34151040.

The previous prime is 68406383. The next prime is 68406467. The reversal of 68406412 is 21460486.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 10014 + ... + 15397.

Almost surely, 2^68406412 is an apocalyptic number.

It is an amenable number.

68406412 is a deficient number, since it is larger than the sum of its proper divisors (51487404).

68406412 is a wasteful number, since it uses less digits than its factorization.

68406412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26088 (or 26086 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 68406412 is about 8270.8168883128. The cubic root of 68406412 is about 408.9770493037.

Adding to 68406412 its reverse (21460486), we get a palindrome (89866898).

The spelling of 68406412 in words is "sixty-eight million, four hundred six thousand, four hundred twelve".