68928242 has 8 divisors (see below), whose sum is σ = 103431600. Its totient is φ = 34451044.

The previous prime is 68928203. The next prime is 68928247. The reversal of 68928242 is 24282986.

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

It is a super-2 number, since 2×68928242² = 9502205090421128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68928242.

It is not an unprimeable number, because it can be changed into a prime (68928247) 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 3 ways as a sum of consecutive naturals, for example, 2609 + ... + 12027.

It is an arithmetic number, because the mean of its divisors is an integer number (12928950).

Almost surely, 2^68928242 is an apocalyptic number.

68928242 is a deficient number, since it is larger than the sum of its proper divisors (34503358).

68928242 is a wasteful number, since it uses less digits than its factorization.

68928242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13080.

The product of its digits is 110592, while the sum is 41.

The square root of 68928242 is about 8302.3034153179. The cubic root of 68928242 is about 410.0143599967.

The spelling of 68928242 in words is "sixty-eight million, nine hundred twenty-eight thousand, two hundred forty-two".