68364433 has 4 divisors (see below), whose sum is σ = 68473408. Its totient is φ = 68255460.

The previous prime is 68364407. The next prime is 68364437. The reversal of 68364433 is 33446386.

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 68364433 - 2¹³ = 68356241 is a prime.

It is a super-2 number, since 2×68364433² = 9347391398822978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68364392 and 68364401.

It is not an unprimeable number, because it can be changed into a prime (68364437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53541 + ... + 54802.

It is an arithmetic number, because the mean of its divisors is an integer number (17118352).

Almost surely, 2^68364433 is an apocalyptic number.

It is an amenable number.

68364433 is a deficient number, since it is larger than the sum of its proper divisors (108975).

68364433 is a wasteful number, since it uses less digits than its factorization.

68364433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108974.

The product of its digits is 124416, while the sum is 37.

The square root of 68364433 is about 8268.2787205077. The cubic root of 68364433 is about 408.8933731288.

The spelling of 68364433 in words is "sixty-eight million, three hundred sixty-four thousand, four hundred thirty-three".