68533268 has 12 divisors (see below), whose sum is σ = 120054900. Its totient is φ = 34231872.

The previous prime is 68533253. The next prime is 68533277. The reversal of 68533268 is 86233586.

It can be written as a sum of positive squares in 2 ways, for example, as 33154564 + 35378704 = 5758^2 + 5948^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3971 + ... + 12362.

It is an arithmetic number, because the mean of its divisors is an integer number (10004575).

Almost surely, 2^68533268 is an apocalyptic number.

It is an amenable number.

68533268 is a deficient number, since it is larger than the sum of its proper divisors (51521632).

68533268 is a wasteful number, since it uses less digits than its factorization.

68533268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17386 (or 17384 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 68533268 is about 8278.4822280416. The cubic root of 68533268 is about 409.2297018147.

The spelling of 68533268 in words is "sixty-eight million, five hundred thirty-three thousand, two hundred sixty-eight".