68133338 has 16 divisors (see below), whose sum is σ = 125784960. Its totient is φ = 26953776.

The previous prime is 68133323. The next prime is 68133343. The reversal of 68133338 is 83333186.

It is a junction number, because it is equal to n+sod(n) for n = 68133298 and 68133307.

It is an unprimeable number.

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, 186998 + ... + 187361.

It is an arithmetic number, because the mean of its divisors is an integer number (7861560).

Almost surely, 2^68133338 is an apocalyptic number.

68133338 is a deficient number, since it is larger than the sum of its proper divisors (57651622).

68133338 is a wasteful number, since it uses less digits than its factorization.

68133338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374381.

The product of its digits is 31104, while the sum is 35.

The square root of 68133338 is about 8254.2920956312. The cubic root of 68133338 is about 408.4321201870.

The spelling of 68133338 in words is "sixty-eight million, one hundred thirty-three thousand, three hundred thirty-eight".