68284456 has 16 divisors (see below), whose sum is σ = 128151540. Its totient is φ = 34110720.

The previous prime is 68284439. The next prime is 68284459. The reversal of 68284456 is 65448286.

It can be written as a sum of positive squares in 2 ways, for example, as 64802500 + 3481956 = 8050^2 + 1866^2 .

It is not an unprimeable number, because it can be changed into a prime (68284459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7086 + ... + 13666.

Almost surely, 2^68284456 is an apocalyptic number.

It is an amenable number.

68284456 is a deficient number, since it is larger than the sum of its proper divisors (59867084).

68284456 is a wasteful number, since it uses less digits than its factorization.

68284456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884 (or 7880 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 68284456 is about 8263.4409297822. The cubic root of 68284456 is about 408.7338612088.

The spelling of 68284456 in words is "sixty-eight million, two hundred eighty-four thousand, four hundred fifty-six".