68830312 has 16 divisors (see below), whose sum is σ = 135849600. Its totient is φ = 32603760.

The previous prime is 68830309. The next prime is 68830337. The reversal of 68830312 is 21303886.

It is a super-2 number, since 2×68830312² = 9475223700034688, which contains 22 as substring.

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, 226264 + ... + 226567.

It is an arithmetic number, because the mean of its divisors is an integer number (8490600).

Almost surely, 2^68830312 is an apocalyptic number.

It is an amenable number.

68830312 is a deficient number, since it is larger than the sum of its proper divisors (67019288).

68830312 is a wasteful number, since it uses less digits than its factorization.

68830312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452856 (or 452852 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 68830312 is about 8296.4035581690. The cubic root of 68830312 is about 409.8200916010.

The spelling of 68830312 in words is "sixty-eight million, eight hundred thirty thousand, three hundred twelve".