68849355 has 16 divisors (see below), whose sum is σ = 110525184. Its totient is φ = 36597600.

The previous prime is 68849353. The next prime is 68849383. The reversal of 68849355 is 55394886.

It is a happy number.

It is not a de Polignac number, because 68849355 - 2¹ = 68849353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68849353) 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 15 ways as a sum of consecutive naturals, for example, 2871 + ... + 12080.

It is an arithmetic number, because the mean of its divisors is an integer number (6907824).

Almost surely, 2^68849355 is an apocalyptic number.

68849355 is a deficient number, since it is larger than the sum of its proper divisors (41675829).

68849355 is a wasteful number, since it uses less digits than its factorization.

68849355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15266.

The product of its digits is 1036800, while the sum is 48.

The square root of 68849355 is about 8297.5511447655. The cubic root of 68849355 is about 409.8578825304.

The spelling of 68849355 in words is "sixty-eight million, eight hundred forty-nine thousand, three hundred fifty-five".