68130602 has 8 divisors (see below), whose sum is σ = 104688612. Its totient is φ = 33234400.

The previous prime is 68130593. The next prime is 68130607. The reversal of 68130602 is 20603186.

It can be written as a sum of positive squares in 2 ways, for example, as 56235001 + 11895601 = 7499^2 + 3449^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68130607) 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, 415349 + ... + 415512.

Almost surely, 2^68130602 is an apocalyptic number.

68130602 is a deficient number, since it is larger than the sum of its proper divisors (36558010).

68130602 is a wasteful number, since it uses less digits than its factorization.

68130602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830904.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 68130602 is about 8254.1263620083. The cubic root of 68130602 is about 408.4266530384.

Adding to 68130602 its reverse (20603186), we get a palindrome (88733788).

The spelling of 68130602 in words is "sixty-eight million, one hundred thirty thousand, six hundred two".