68235199 has 4 divisors (see below), whose sum is σ = 68861320. Its totient is φ = 67609080.

The previous prime is 68235187. The next prime is 68235283. The reversal of 68235199 is 99153286.

It is a happy number.

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 68235199 - 2²¹ = 66138047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68235119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312897 + ... + 313114.

It is an arithmetic number, because the mean of its divisors is an integer number (17215330).

Almost surely, 2^68235199 is an apocalyptic number.

68235199 is a deficient number, since it is larger than the sum of its proper divisors (626121).

68235199 is a wasteful number, since it uses less digits than its factorization.

68235199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626120.

The product of its digits is 116640, while the sum is 43.

The square root of 68235199 is about 8260.4599750861. The cubic root of 68235199 is about 408.6355574957.

The spelling of 68235199 in words is "sixty-eight million, two hundred thirty-five thousand, one hundred ninety-nine".