68280417 has 12 divisors (see below), whose sum is σ = 99053604. Its totient is φ = 45323520.

The previous prime is 68280391. The next prime is 68280419. The reversal of 68280417 is 71408286.

It can be written as a sum of positive squares in 2 ways, for example, as 33281361 + 34999056 = 5769^2 + 5916^2 .

It is not a de Polignac number, because 68280417 - 2⁸ = 68280161 is a prime.

It is a super-3 number, since 3×68280417³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68280419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14184 + ... + 18377.

It is an arithmetic number, because the mean of its divisors is an integer number (8254467).

Almost surely, 2^68280417 is an apocalyptic number.

It is an amenable number.

68280417 is a deficient number, since it is larger than the sum of its proper divisors (30773187).

68280417 is a wasteful number, since it uses less digits than its factorization.

68280417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32800 (or 32797 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 68280417 is about 8263.1965364500. The cubic root of 68280417 is about 408.7258022316.

The spelling of 68280417 in words is "sixty-eight million, two hundred eighty thousand, four hundred seventeen".