68451056 has 20 divisors (see below), whose sum is σ = 132766800. Its totient is φ = 34188672.

The previous prime is 68451041. The next prime is 68451067. The reversal of 68451056 is 65015486.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18965 + ... + 22283.

It is an arithmetic number, because the mean of its divisors is an integer number (6638340).

Almost surely, 2^68451056 is an apocalyptic number.

It is an amenable number.

68451056 is a deficient number, since it is larger than the sum of its proper divisors (64315744).

68451056 is a wasteful number, since it uses less digits than its factorization.

68451056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 68451056 is about 8273.5153350918. The cubic root of 68451056 is about 409.0660000337.

The spelling of 68451056 in words is "sixty-eight million, four hundred fifty-one thousand, fifty-six".