68634203 has 4 divisors (see below), whose sum is σ = 74873688. Its totient is φ = 62394720.

The previous prime is 68634199. The next prime is 68634221. The reversal of 68634203 is 30243686.

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 68634203 - 2² = 68634199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68634203.

It is not an unprimeable number, because it can be changed into a prime (68634263) 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, 3119726 + ... + 3119747.

It is an arithmetic number, because the mean of its divisors is an integer number (18718422).

Almost surely, 2^68634203 is an apocalyptic number.

68634203 is a deficient number, since it is larger than the sum of its proper divisors (6239485).

68634203 is a wasteful number, since it uses less digits than its factorization.

68634203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239484.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 68634203 is about 8284.5762112494. The cubic root of 68634203 is about 409.4305061811.

Adding to 68634203 its reverse (30243686), we get a palindrome (98877889).

The spelling of 68634203 in words is "sixty-eight million, six hundred thirty-four thousand, two hundred three".