68708349 has 12 divisors (see below), whose sum is σ = 99375900. Its totient is φ = 45745344.

The previous prime is 68708347. The next prime is 68708357. The reversal of 68708349 is 94380786.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23912100 + 44796249 = 4890^2 + 6693^2 .

It is not a de Polignac number, because 68708349 - 2¹ = 68708347 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68708347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2857 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (8281325).

Almost surely, 2^68708349 is an apocalyptic number.

It is an amenable number.

68708349 is a deficient number, since it is larger than the sum of its proper divisors (30667551).

68708349 is a wasteful number, since it uses less digits than its factorization.

68708349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044 (or 10041 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 68708349 is about 8289.0499455607. The cubic root of 68708349 is about 409.5778899815.

The spelling of 68708349 in words is "sixty-eight million, seven hundred eight thousand, three hundred forty-nine".