68311336 has 16 divisors (see below), whose sum is σ = 128175840. Its totient is φ = 34131120.

The previous prime is 68311319. The next prime is 68311349. The reversal of 68311336 is 63311386.

It is a super-2 number, since 2×68311336² = 9332877252209792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68311298 and 68311307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15045 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (8010990).

Almost surely, 2^68311336 is an apocalyptic number.

It is an amenable number.

68311336 is a deficient number, since it is larger than the sum of its proper divisors (59864504).

68311336 is a wasteful number, since it uses less digits than its factorization.

68311336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144 (or 6140 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 68311336 is about 8265.0672108580. The cubic root of 68311336 is about 408.7874865164.

The spelling of 68311336 in words is "sixty-eight million, three hundred eleven thousand, three hundred thirty-six".