68284249 has 8 divisors (see below), whose sum is σ = 75176640. Its totient is φ = 61506000.

The previous prime is 68284247. The next prime is 68284259. The reversal of 68284249 is 94248286.

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 68284249 - 2¹ = 68284247 is a prime.

It is a super-2 number, since 2×68284249² = 9325477322988002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68284247) 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, 27277 + ... + 29674.

It is an arithmetic number, because the mean of its divisors is an integer number (9397080).

Almost surely, 2^68284249 is an apocalyptic number.

It is an amenable number.

68284249 is a deficient number, since it is larger than the sum of its proper divisors (6892391).

68284249 is a wasteful number, since it uses less digits than its factorization.

68284249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57071.

The product of its digits is 221184, while the sum is 43.

The square root of 68284249 is about 8263.4284047240. The cubic root of 68284249 is about 408.7334481915.

The spelling of 68284249 in words is "sixty-eight million, two hundred eighty-four thousand, two hundred forty-nine".