68348633 has 4 divisors (see below), whose sum is σ = 68400000. Its totient is φ = 68297268.

The previous prime is 68348627. The next prime is 68348689. The reversal of 68348633 is 33684386.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33684386 = 2 ⋅16842193.

It is a cyclic number.

It is not a de Polignac number, because 68348633 - 2¹⁴ = 68332249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68348603) 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, 23633 + ... + 26366.

It is an arithmetic number, because the mean of its divisors is an integer number (17100000).

Almost surely, 2^68348633 is an apocalyptic number.

It is an amenable number.

68348633 is a deficient number, since it is larger than the sum of its proper divisors (51367).

68348633 is a wasteful number, since it uses less digits than its factorization.

68348633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51366.

The product of its digits is 248832, while the sum is 41.

The square root of 68348633 is about 8267.3232064556. The cubic root of 68348633 is about 408.8618703294.

The spelling of 68348633 in words is "sixty-eight million, three hundred forty-eight thousand, six hundred thirty-three".