68307310 has 16 divisors (see below), whose sum is σ = 124172352. Its totient is φ = 27052000.

The previous prime is 68307307. The next prime is 68307311. The reversal of 68307310 is 1370386.

It is a super-2 number, since 2×68307310² = 9331777198872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68307311) 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 7 ways as a sum of consecutive naturals, for example, 32806 + ... + 34825.

It is an arithmetic number, because the mean of its divisors is an integer number (7760772).

Almost surely, 2^68307310 is an apocalyptic number.

68307310 is a deficient number, since it is larger than the sum of its proper divisors (55865042).

68307310 is a wasteful number, since it uses less digits than its factorization.

68307310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67739.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 68307310 is about 8264.8236520812. The cubic root of 68307310 is about 408.7794555860.

Adding to 68307310 its reverse (1370386), we get a palindrome (69677696).

The spelling of 68307310 in words is "sixty-eight million, three hundred seven thousand, three hundred ten".