68675015 has 8 divisors (see below), whose sum is σ = 83965248. Its totient is φ = 53903200.

The previous prime is 68675011. The next prime is 68675023. The reversal of 68675015 is 51057686.

It is a happy number.

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

It is not a de Polignac number, because 68675015 - 2² = 68675011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68675015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68675011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129311 + ... + 129840.

It is an arithmetic number, because the mean of its divisors is an integer number (10495656).

Almost surely, 2^68675015 is an apocalyptic number.

68675015 is a deficient number, since it is larger than the sum of its proper divisors (15290233).

68675015 is a wasteful number, since it uses less digits than its factorization.

68675015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259209.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 68675015 is about 8287.0389766189. The cubic root of 68675015 is about 409.5116434089.

The spelling of 68675015 in words is "sixty-eight million, six hundred seventy-five thousand, fifteen".