68484558 has 16 divisors (see below), whose sum is σ = 140671440. Its totient is φ = 22211136.

The previous prime is 68484557. The next prime is 68484571. The reversal of 68484558 is 85548486.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68484557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154023 + ... + 154466.

It is an arithmetic number, because the mean of its divisors is an integer number (8791965).

Almost surely, 2^68484558 is an apocalyptic number.

68484558 is an abundant number, since it is smaller than the sum of its proper divisors (72186882).

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

68484558 is a wasteful number, since it uses less digits than its factorization.

68484558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308531.

The product of its digits is 1228800, while the sum is 48.

The square root of 68484558 is about 8275.5397407057. The cubic root of 68484558 is about 409.1327255392.

The spelling of 68484558 in words is "sixty-eight million, four hundred eighty-four thousand, five hundred fifty-eight".