68013602 has 16 divisors (see below), whose sum is σ = 104009400. Its totient is φ = 33350400.

The previous prime is 68013593. The next prime is 68013611. The reversal of 68013602 is 20631086.

It is an interprime number because it is at equal distance from previous prime (68013593) and next prime (68013611).

It can be written as a sum of positive squares in 4 ways, for example, as 63856081 + 4157521 = 7991^2 + 2039^2 .

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 7 ways as a sum of consecutive naturals, for example, 20474 + ... + 23562.

Almost surely, 2^68013602 is an apocalyptic number.

68013602 is a deficient number, since it is larger than the sum of its proper divisors (35995798).

68013602 is a wasteful number, since it uses less digits than its factorization.

68013602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

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

The square root of 68013602 is about 8247.0359523892. The cubic root of 68013602 is about 408.1927234130.

Adding to 68013602 its reverse (20631086), we get a palindrome (88644688).

The spelling of 68013602 in words is "sixty-eight million, thirteen thousand, six hundred two".