68604242 has 16 divisors (see below), whose sum is σ = 117805632. Its totient is φ = 29352240.

The previous prime is 68604241. The next prime is 68604251. The reversal of 68604242 is 24240686.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68604199 and 68604208.

It is not an unprimeable number, because it can be changed into a prime (68604241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5192 + ... + 12812.

It is an arithmetic number, because the mean of its divisors is an integer number (7362852).

Almost surely, 2^68604242 is an apocalyptic number.

68604242 is a deficient number, since it is larger than the sum of its proper divisors (49201390).

68604242 is a wasteful number, since it uses less digits than its factorization.

68604242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 68604242 is about 8282.7677741200. The cubic root of 68604242 is about 409.3709210556.

The spelling of 68604242 in words is "sixty-eight million, six hundred four thousand, two hundred forty-two".