68218298 has 8 divisors (see below), whose sum is σ = 102398880. Its totient is φ = 34085340.

The previous prime is 68218279. The next prime is 68218307. The reversal of 68218298 is 89281286.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8078 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (12799860).

Almost surely, 2^68218298 is an apocalyptic number.

68218298 is a deficient number, since it is larger than the sum of its proper divisors (34180582).

68218298 is a wasteful number, since it uses less digits than its factorization.

68218298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23812.

The product of its digits is 110592, while the sum is 44.

The square root of 68218298 is about 8259.4369057461. The cubic root of 68218298 is about 408.6018167483.

The spelling of 68218298 in words is "sixty-eight million, two hundred eighteen thousand, two hundred ninety-eight".