68306310 has 48 divisors (see below), whose sum is σ = 183727440. Its totient is φ = 17586240.

The previous prime is 68306309. The next prime is 68306321. The reversal of 68306310 is 1360386.

It is a super-2 number, since 2×68306310² = 9331503971632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10476 + ... + 15695.

It is an arithmetic number, because the mean of its divisors is an integer number (3827655).

Almost surely, 2^68306310 is an apocalyptic number.

68306310 is an abundant number, since it is smaller than the sum of its proper divisors (115421130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68306310 is a wasteful number, since it uses less digits than its factorization.

68306310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26213 (or 26210 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 68306310 is about 8264.7631545012. The cubic root of 68306310 is about 408.7774607705. Note that the first 3 decimals are identical.

Adding to 68306310 its reverse (1360386), we get a palindrome (69666696).

The spelling of 68306310 in words is "sixty-eight million, three hundred six thousand, three hundred ten".