68123078 has 8 divisors (see below), whose sum is σ = 102263472. Its totient is φ = 34035256.

The previous prime is 68123071. The next prime is 68123087. The reversal of 68123078 is 87032186.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68123071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9725 + ... + 15192.

It is an arithmetic number, because the mean of its divisors is an integer number (12782934).

Almost surely, 2^68123078 is an apocalyptic number.

68123078 is a deficient number, since it is larger than the sum of its proper divisors (34140394).

68123078 is a wasteful number, since it uses less digits than its factorization.

68123078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26286.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 68123078 is about 8253.6705773856. The cubic root of 68123078 is about 408.4116176252.

The spelling of 68123078 in words is "sixty-eight million, one hundred twenty-three thousand, seventy-eight".