68706255 has 8 divisors (see below), whose sum is σ = 109930032. Its totient is φ = 36643328.

The previous prime is 68706247. The next prime is 68706269. The reversal of 68706255 is 55260786.

It is a happy number.

68706255 is nontrivially palindromic in base 14.

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

It is a cyclic number.

It is not a de Polignac number, because 68706255 - 2³ = 68706247 is a prime.

It is a super-2 number, since 2×68706255² = 9441098952250050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290194 + ... + 2290223.

It is an arithmetic number, because the mean of its divisors is an integer number (13741254).

Almost surely, 2^68706255 is an apocalyptic number.

68706255 is a deficient number, since it is larger than the sum of its proper divisors (41223777).

68706255 is a wasteful number, since it uses less digits than its factorization.

68706255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580425.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 68706255 is about 8288.9236333797. The cubic root of 68706255 is about 409.5737290858.

The spelling of 68706255 in words is "sixty-eight million, seven hundred six thousand, two hundred fifty-five".