68112790 has 8 divisors (see below), whose sum is σ = 122603040. Its totient is φ = 27245112.

The previous prime is 68112769. The next prime is 68112809. The reversal of 68112790 is 9721186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 3405630 + ... + 3405649.

It is an arithmetic number, because the mean of its divisors is an integer number (15325380).

Almost surely, 2^68112790 is an apocalyptic number.

68112790 is a deficient number, since it is larger than the sum of its proper divisors (54490250).

68112790 is a wasteful number, since it uses less digits than its factorization.

68112790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811286.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 68112790 is about 8253.0473159918. The cubic root of 68112790 is about 408.3910570439.

The spelling of 68112790 in words is "sixty-eight million, one hundred twelve thousand, seven hundred ninety".