68040422 has 16 divisors (see below), whose sum is σ = 103044480. Its totient is φ = 33694272.

The previous prime is 68040421. The next prime is 68040431. The reversal of 68040422 is 22404086.

It is a junction number, because it is equal to n+sod(n) for n = 68040391 and 68040400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68040421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 166154 + ... + 166562.

It is an arithmetic number, because the mean of its divisors is an integer number (6440280).

Almost surely, 2^68040422 is an apocalyptic number.

68040422 is a deficient number, since it is larger than the sum of its proper divisors (35004058).

68040422 is a wasteful number, since it uses less digits than its factorization.

68040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 68040422 is about 8248.6618308669. The cubic root of 68040422 is about 408.2463709669.

The spelling of 68040422 in words is "sixty-eight million, forty thousand, four hundred twenty-two".