68333413 has 4 divisors (see below), whose sum is σ = 70180300. Its totient is φ = 66486528.

The previous prime is 68333411. The next prime is 68333431. The reversal of 68333413 is 31433386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31433386 = 2 ⋅15716693.

It can be written as a sum of positive squares in 2 ways, for example, as 37675044 + 30658369 = 6138^2 + 5537^2 .

It is a cyclic number.

It is not a de Polignac number, because 68333413 - 2¹ = 68333411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68333411) 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, 923388 + ... + 923461.

It is an arithmetic number, because the mean of its divisors is an integer number (17545075).

Almost surely, 2^68333413 is an apocalyptic number.

It is an amenable number.

68333413 is a deficient number, since it is larger than the sum of its proper divisors (1846887).

68333413 is a wasteful number, since it uses less digits than its factorization.

68333413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846886.

The product of its digits is 15552, while the sum is 31.

The square root of 68333413 is about 8266.4026637952. The cubic root of 68333413 is about 408.8315193706.

Adding to 68333413 its reverse (31433386), we get a palindrome (99766799).

The spelling of 68333413 in words is "sixty-eight million, three hundred thirty-three thousand, four hundred thirteen".