68584321 has 12 divisors (see below), whose sum is σ = 77218708. Its totient is φ = 60549984.

The previous prime is 68584297. The next prime is 68584337. The reversal of 68584321 is 12348586.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9217296 + 59367025 = 3036^2 + 7705^2 .

It is not a de Polignac number, because 68584321 - 2¹¹ = 68582273 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68584361) 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, 1891 + ... + 11863.

Almost surely, 2^68584321 is an apocalyptic number.

It is an amenable number.

68584321 is a deficient number, since it is larger than the sum of its proper divisors (8634387).

68584321 is a wasteful number, since it uses less digits than its factorization.

68584321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10032 (or 10009 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 68584321 is about 8281.5651298532. The cubic root of 68584321 is about 409.3312934400.

The spelling of 68584321 in words is "sixty-eight million, five hundred eighty-four thousand, three hundred twenty-one".