68534817 has 16 divisors (see below), whose sum is σ = 99021888. Its totient is φ = 41912640.

The previous prime is 68534783. The next prime is 68534833. The reversal of 68534817 is 71843586.

It is not a de Polignac number, because 68534817 - 2⁷ = 68534689 is a prime.

It is a super-2 number, since 2×68534817² = 9394042282446978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68534867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967 + ... + 11747.

It is an arithmetic number, because the mean of its divisors is an integer number (6188868).

Almost surely, 2^68534817 is an apocalyptic number.

It is an amenable number.

68534817 is a deficient number, since it is larger than the sum of its proper divisors (30487071).

68534817 is a wasteful number, since it uses less digits than its factorization.

68534817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960.

The product of its digits is 161280, while the sum is 42.

The square root of 68534817 is about 8278.5757833096. The cubic root of 68534817 is about 409.2327849500.

The spelling of 68534817 in words is "sixty-eight million, five hundred thirty-four thousand, eight hundred seventeen".