68341969 has 4 divisors (see below), whose sum is σ = 68415844. Its totient is φ = 68268096.

The previous prime is 68341937. The next prime is 68342033. The reversal of 68341969 is 96914386.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36000000 + 32341969 = 6000^2 + 5687^2 .

It is a cyclic number.

It is not a de Polignac number, because 68341969 - 2⁵ = 68341937 is a prime.

It is a super-2 number, since 2×68341969² = 9341249453593922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68341909) 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, 35532 + ... + 37405.

It is an arithmetic number, because the mean of its divisors is an integer number (17103961).

Almost surely, 2^68341969 is an apocalyptic number.

It is an amenable number.

68341969 is a deficient number, since it is larger than the sum of its proper divisors (73875).

68341969 is an equidigital number, since it uses as much as digits as its factorization.

68341969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73874.

The product of its digits is 279936, while the sum is 46.

The square root of 68341969 is about 8266.9201641240. The cubic root of 68341969 is about 408.8485818702.

The spelling of 68341969 in words is "sixty-eight million, three hundred forty-one thousand, nine hundred sixty-nine".