68618003 has 4 divisors (see below), whose sum is σ = 69781080. Its totient is φ = 67454928.

The previous prime is 68617951. The next prime is 68618023. The reversal of 68618003 is 30081686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68618003 - 2¹⁴ = 68601619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68618023) by changing a digit.

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, 581450 + ... + 581567.

It is an arithmetic number, because the mean of its divisors is an integer number (17445270).

Almost surely, 2^68618003 is an apocalyptic number.

68618003 is a deficient number, since it is larger than the sum of its proper divisors (1163077).

68618003 is a wasteful number, since it uses less digits than its factorization.

68618003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163076.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 68618003 is about 8283.5984330483. The cubic root of 68618003 is about 409.3982904839.

Adding to 68618003 its reverse (30081686), we get a palindrome (98699689).

The spelling of 68618003 in words is "sixty-eight million, six hundred eighteen thousand, three".