68340502 has 8 divisors (see below), whose sum is σ = 104894856. Its totient is φ = 33375552.

The previous prime is 68340499. The next prime is 68340533. The reversal of 68340502 is 20504386.

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

It is a super-2 number, since 2×68340502² = 9340848427224008, which contains 22 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, 397243 + ... + 397414.

It is an arithmetic number, because the mean of its divisors is an integer number (13111857).

Almost surely, 2^68340502 is an apocalyptic number.

68340502 is a deficient number, since it is larger than the sum of its proper divisors (36554354).

68340502 is a wasteful number, since it uses less digits than its factorization.

68340502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794702.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 68340502 is about 8266.8314365300. The cubic root of 68340502 is about 408.8456564586.

Adding to 68340502 its reverse (20504386), we get a palindrome (88844888).

The spelling of 68340502 in words is "sixty-eight million, three hundred forty thousand, five hundred two".