68133241 has 4 divisors (see below), whose sum is σ = 74327184. Its totient is φ = 61939300.

The previous prime is 68133211. The next prime is 68133269. The reversal of 68133241 is 14233186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68133241 - 2¹³ = 68125049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68133211) 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 3 ways as a sum of consecutive naturals, for example, 3096955 + ... + 3096976.

It is an arithmetic number, because the mean of its divisors is an integer number (18581796).

Almost surely, 2^68133241 is an apocalyptic number.

It is an amenable number.

68133241 is a deficient number, since it is larger than the sum of its proper divisors (6193943).

68133241 is a wasteful number, since it uses less digits than its factorization.

68133241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193942.

The product of its digits is 3456, while the sum is 28.

The square root of 68133241 is about 8254.2862198981. The cubic root of 68133241 is about 408.4319263615.

The spelling of 68133241 in words is "sixty-eight million, one hundred thirty-three thousand, two hundred forty-one".