68103815 has 8 divisors (see below), whose sum is σ = 88011168. Its totient is φ = 50292000.

The previous prime is 68103773. The next prime is 68103821. The reversal of 68103815 is 51830186.

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

It is not a de Polignac number, because 68103815 - 2¹⁰ = 68102791 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 523811 + ... + 523940.

It is an arithmetic number, because the mean of its divisors is an integer number (11001396).

Almost surely, 2^68103815 is an apocalyptic number.

68103815 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68103815 is a deficient number, since it is larger than the sum of its proper divisors (19907353).

68103815 is a wasteful number, since it uses less digits than its factorization.

68103815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047769.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 68103815 is about 8252.5035595266. The cubic root of 68103815 is about 408.3731188038.

The spelling of 68103815 in words is "sixty-eight million, one hundred three thousand, eight hundred fifteen".