68944829 has 4 divisors (see below), whose sum is σ = 69719580. Its totient is φ = 68170080.

The previous prime is 68944819. The next prime is 68944831. The reversal of 68944829 is 92844986.

It is a happy number.

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 27019204 + 41925625 = 5198^2 + 6475^2 .

It is a cyclic number.

It is not a de Polignac number, because 68944829 - 2²⁴ = 52167613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68944819) 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, 387242 + ... + 387419.

It is an arithmetic number, because the mean of its divisors is an integer number (17429895).

Almost surely, 2^68944829 is an apocalyptic number.

It is an amenable number.

68944829 is a deficient number, since it is larger than the sum of its proper divisors (774751).

68944829 is an equidigital number, since it uses as much as digits as its factorization.

68944829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774750.

The product of its digits is 995328, while the sum is 50.

The square root of 68944829 is about 8303.3022948704. The cubic root of 68944829 is about 410.0472461913.

The spelling of 68944829 in words is "sixty-eight million, nine hundred forty-four thousand, eight hundred twenty-nine".