68770229 has 6 divisors (see below), whose sum is σ = 75590550. Its totient is φ = 62518280.

The previous prime is 68770217. The next prime is 68770267. The reversal of 68770229 is 92207786.

It can be written as a sum of positive squares in only one way, i.e., 45024100 + 23746129 = 6710^2 + 4873^2 .

It is not a de Polignac number, because 68770229 - 2¹⁶ = 68704693 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 (68770129) 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 5 ways as a sum of consecutive naturals, for example, 284054 + ... + 284295.

It is an arithmetic number, because the mean of its divisors is an integer number (12598425).

Almost surely, 2^68770229 is an apocalyptic number.

It is an amenable number.

68770229 is a deficient number, since it is larger than the sum of its proper divisors (6820321).

68770229 is a wasteful number, since it uses less digits than its factorization.

68770229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568371 (or 568360 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 68770229 is about 8292.7817407671. The cubic root of 68770229 is about 409.7008108753.

The spelling of 68770229 in words is "sixty-eight million, seven hundred seventy thousand, two hundred twenty-nine".