68204349 has 20 divisors (see below), whose sum is σ = 103041180. Its totient is φ = 44953920.

The previous prime is 68204347. The next prime is 68204351. The reversal of 68204349 is 94340286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68204347) and next prime (68204351).

It can be written as a sum of positive squares in 2 ways, for example, as 31843449 + 36360900 = 5643^2 + 6030^2 .

It is not a de Polignac number, because 68204349 - 2¹ = 68204347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68204347) 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 19 ways as a sum of consecutive naturals, for example, 2479 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (5152059).

Almost surely, 2^68204349 is an apocalyptic number.

It is an amenable number.

68204349 is a deficient number, since it is larger than the sum of its proper divisors (34836831).

68204349 is an equidigital number, since it uses as much as digits as its factorization.

68204349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562 (or 9553 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 68204349 is about 8258.5924345496. The cubic root of 68204349 is about 408.5739651042.

The spelling of 68204349 in words is "sixty-eight million, two hundred four thousand, three hundred forty-nine".