68080290 has 16 divisors (see below), whose sum is σ = 163392768. Its totient is φ = 18154736.

The previous prime is 68080279. The next prime is 68080297. The reversal of 68080290 is 9208086.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68080297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134642 + ... + 1134701.

It is an arithmetic number, because the mean of its divisors is an integer number (10212048).

Almost surely, 2^68080290 is an apocalyptic number.

68080290 is an abundant number, since it is smaller than the sum of its proper divisors (95312478).

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

68080290 is a wasteful number, since it uses less digits than its factorization.

68080290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269353.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 68080290 is about 8251.0781113743. The cubic root of 68080290 is about 408.3260921480.

The spelling of 68080290 in words is "sixty-eight million, eighty thousand, two hundred ninety".