68456 has 16 divisors (see below), whose sum is σ = 132000. Its totient is φ = 33264.

The previous prime is 68449. The next prime is 68473. The reversal of 68456 is 65486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245 + ... + 443.

It is an arithmetic number, because the mean of its divisors is an integer number (8250).

2⁶⁸⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

68456 is a deficient number, since it is larger than the sum of its proper divisors (63544).

68456 is a wasteful number, since it uses less digits than its factorization.

68456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 244 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 68456 is about 261.6409753842. The cubic root of 68456 is about 40.9075848305.

The spelling of 68456 in words is "sixty-eight thousand, four hundred fifty-six".