68390302 has 8 divisors (see below), whose sum is σ = 102936456. Its totient is φ = 34078152.

The previous prime is 68390297. The next prime is 68390321. The reversal of 68390302 is 20309386.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 57768 + ... + 58939.

It is an arithmetic number, because the mean of its divisors is an integer number (12867057).

Almost surely, 2^68390302 is an apocalyptic number.

68390302 is a deficient number, since it is larger than the sum of its proper divisors (34546154).

68390302 is a wasteful number, since it uses less digits than its factorization.

68390302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117002.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 68390302 is about 8269.8429247477. The cubic root of 68390302 is about 408.9449415068.

Adding to 68390302 its reverse (20309386), we get a palindrome (88699688).

The spelling of 68390302 in words is "sixty-eight million, three hundred ninety thousand, three hundred two".