68584829 has 4 divisors (see below), whose sum is σ = 68632380. Its totient is φ = 68537280.

The previous prime is 68584823. The next prime is 68584837. The reversal of 68584829 is 92848586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92848586 = 2 ⋅46424293.

It can be written as a sum of positive squares in 2 ways, for example, as 8940100 + 59644729 = 2990^2 + 7723^2 .

It is a cyclic number.

It is not a de Polignac number, because 68584829 - 2⁸ = 68584573 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 (68584823) 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, 21542 + ... + 24519.

It is an arithmetic number, because the mean of its divisors is an integer number (17158095).

Almost surely, 2^68584829 is an apocalyptic number.

It is an amenable number.

68584829 is a deficient number, since it is larger than the sum of its proper divisors (47551).

68584829 is a wasteful number, since it uses less digits than its factorization.

68584829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47550.

The product of its digits is 1105920, while the sum is 50.

The square root of 68584829 is about 8281.5958003274. The cubic root of 68584829 is about 409.3323040684.

The spelling of 68584829 in words is "sixty-eight million, five hundred eighty-four thousand, eight hundred twenty-nine".