68240302 has 8 divisors (see below), whose sum is σ = 110234376. Its totient is φ = 31495512.

The previous prime is 68240299. The next prime is 68240317. The reversal of 68240302 is 20304286.

It is a happy number.

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

It is a super-3 number, since 3×68240302³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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, 1312288 + ... + 1312339.

It is an arithmetic number, because the mean of its divisors is an integer number (13779297).

Almost surely, 2^68240302 is an apocalyptic number.

68240302 is a deficient number, since it is larger than the sum of its proper divisors (41994074).

68240302 is a wasteful number, since it uses less digits than its factorization.

68240302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624642.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 68240302 is about 8260.7688504158. The cubic root of 68240302 is about 408.6457439063.

Adding to 68240302 its reverse (20304286), we get a palindrome (88544588).

The spelling of 68240302 in words is "sixty-eight million, two hundred forty thousand, three hundred two".