68039310 has 16 divisors (see below), whose sum is σ = 163294416. Its totient is φ = 18143808.

The previous prime is 68039299. The next prime is 68039311. The reversal of 68039310 is 1393086.

It is a super-2 number, since 2×68039310² = 9258695410552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2267977 = 68039310 / (6 + 8 + 0 + 3 + 9 + 3 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68039311) 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, 1133959 + ... + 1134018.

It is an arithmetic number, because the mean of its divisors is an integer number (10205901).

Almost surely, 2^68039310 is an apocalyptic number.

68039310 is an abundant number, since it is smaller than the sum of its proper divisors (95255106).

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

68039310 is a wasteful number, since it uses less digits than its factorization.

68039310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267987.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 68039310 is about 8248.5944257188. The cubic root of 68039310 is about 408.2441469339.

The spelling of 68039310 in words is "sixty-eight million, thirty-nine thousand, three hundred ten".