68485505 has 8 divisors (see below), whose sum is σ = 89653824. Its totient is φ = 49807600.

The previous prime is 68485499. The next prime is 68485507. The reversal of 68485505 is 50558486.

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

It is not a de Polignac number, because 68485505 - 2¹² = 68481409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68485507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622541 + ... + 622650.

It is an arithmetic number, because the mean of its divisors is an integer number (11206728).

Almost surely, 2^68485505 is an apocalyptic number.

It is an amenable number.

68485505 is a deficient number, since it is larger than the sum of its proper divisors (21168319).

68485505 is a wasteful number, since it uses less digits than its factorization.

68485505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245207.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 68485505 is about 8275.5969573198. The cubic root of 68485505 is about 409.1346113507.

The spelling of 68485505 in words is "sixty-eight million, four hundred eighty-five thousand, five hundred five".