68480355 has 8 divisors (see below), whose sum is σ = 109568592. Its totient is φ = 36522848.

The previous prime is 68480329. The next prime is 68480359. The reversal of 68480355 is 55308486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68480355 - 2⁷ = 68480227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68480359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282664 + ... + 2282693.

It is an arithmetic number, because the mean of its divisors is an integer number (13696074).

Almost surely, 2^68480355 is an apocalyptic number.

68480355 is a deficient number, since it is larger than the sum of its proper divisors (41088237).

68480355 is a wasteful number, since it uses less digits than its factorization.

68480355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565365.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 68480355 is about 8275.2857956689. The cubic root of 68480355 is about 409.1243556717.

The spelling of 68480355 in words is "sixty-eight million, four hundred eighty thousand, three hundred fifty-five".