68533361 has 16 divisors (see below), whose sum is σ = 79800000. Its totient is φ = 58304448.

The previous prime is 68533319. The next prime is 68533363. The reversal of 68533361 is 16333586.

68533361 = 111² + 112² + ... + 591².

It is a cyclic number.

It is not a de Polignac number, because 68533361 - 2²⁶ = 1424497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68533363) 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, 5390 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (4987500).

Almost surely, 2^68533361 is an apocalyptic number.

It is an amenable number.

68533361 is a deficient number, since it is larger than the sum of its proper divisors (11266639).

68533361 is a wasteful number, since it uses less digits than its factorization.

68533361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568.

The product of its digits is 38880, while the sum is 35.

The square root of 68533361 is about 8278.4878450113. The cubic root of 68533361 is about 409.2298869235.

The spelling of 68533361 in words is "sixty-eight million, five hundred thirty-three thousand, three hundred sixty-one".