68914229 has 4 divisors (see below), whose sum is σ = 69065484. Its totient is φ = 68762976.

The previous prime is 68914217. The next prime is 68914231. The reversal of 68914229 is 92241986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92241986 = 2 ⋅46120993.

It can be written as a sum of positive squares in 2 ways, for example, as 36024004 + 32890225 = 6002^2 + 5735^2 .

It is a cyclic number.

It is not a de Polignac number, because 68914229 - 2⁸ = 68913973 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 (68914259) 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, 74942 + ... + 75855.

It is an arithmetic number, because the mean of its divisors is an integer number (17266371).

Almost surely, 2^68914229 is an apocalyptic number.

It is an amenable number.

68914229 is a deficient number, since it is larger than the sum of its proper divisors (151255).

68914229 is a wasteful number, since it uses less digits than its factorization.

68914229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151254.

The product of its digits is 62208, while the sum is 41.

The square root of 68914229 is about 8301.4594500003. The cubic root of 68914229 is about 409.9865730285.

The spelling of 68914229 in words is "sixty-eight million, nine hundred fourteen thousand, two hundred twenty-nine".