68274042 has 16 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 22706432.

The previous prime is 68274013. The next prime is 68274043. The reversal of 68274042 is 24047286.

It is a super-2 number, since 2×68274042² = 9322689622035528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68273994 and 68274012.

It is not an unprimeable number, because it can be changed into a prime (68274043) 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, 9978 + ... + 15365.

It is an arithmetic number, because the mean of its divisors is an integer number (8553600).

Almost surely, 2^68274042 is an apocalyptic number.

68274042 is an abundant number, since it is smaller than the sum of its proper divisors (68583558).

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

68274042 is a wasteful number, since it uses less digits than its factorization.

68274042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25797.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 68274042 is about 8262.8107808421. The cubic root of 68274042 is about 408.7130816098.

The spelling of 68274042 in words is "sixty-eight million, two hundred seventy-four thousand, forty-two".