68407078 has 8 divisors (see below), whose sum is σ = 104349960. Its totient is φ = 33623760.

The previous prime is 68407061. The next prime is 68407093. The reversal of 68407078 is 87070486.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68407078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289743 + ... + 289978.

It is an arithmetic number, because the mean of its divisors is an integer number (13043745).

Almost surely, 2^68407078 is an apocalyptic number.

68407078 is a deficient number, since it is larger than the sum of its proper divisors (35942882).

68407078 is a wasteful number, since it uses less digits than its factorization.

68407078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579782.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 68407078 is about 8270.8571502596. The cubic root of 68407078 is about 408.9783765566.

The spelling of 68407078 in words is "sixty-eight million, four hundred seven thousand, seventy-eight".