68980256 has 24 divisors (see below), whose sum is σ = 138965904. Its totient is φ = 33687360.

The previous prime is 68980253. The next prime is 68980291. The reversal of 68980256 is 65208986.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68980253) 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, 23690 + ... + 26441.

It is an arithmetic number, because the mean of its divisors is an integer number (5790246).

Almost surely, 2^68980256 is an apocalyptic number.

It is an amenable number.

68980256 is an abundant number, since it is smaller than the sum of its proper divisors (69985648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68980256 is a wasteful number, since it uses less digits than its factorization.

68980256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50184 (or 50176 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 68980256 is about 8305.4353287471. The cubic root of 68980256 is about 410.1174678287.

The spelling of 68980256 in words is "sixty-eight million, nine hundred eighty thousand, two hundred fifty-six".