68449358 has 8 divisors (see below), whose sum is σ = 102709200. Its totient is φ = 34212960.

The previous prime is 68449351. The next prime is 68449369. The reversal of 68449358 is 85394486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68449358² = 9370629221224328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68449351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7943 + ... + 14141.

It is an arithmetic number, because the mean of its divisors is an integer number (12838650).

Almost surely, 2^68449358 is an apocalyptic number.

68449358 is a deficient number, since it is larger than the sum of its proper divisors (34259842).

68449358 is a wasteful number, since it uses less digits than its factorization.

68449358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722.

The product of its digits is 829440, while the sum is 47.

The square root of 68449358 is about 8273.4127178571. The cubic root of 68449358 is about 409.0626175691.

The spelling of 68449358 in words is "sixty-eight million, four hundred forty-nine thousand, three hundred fifty-eight".