68704469 has 2 divisors, whose sum is σ = 68704470. Its totient is φ = 68704468.

The previous prime is 68704457. The next prime is 68704481. The reversal of 68704469 is 96440786.

It is a balanced prime because it is at equal distance from previous prime (68704457) and next prime (68704481).

It can be written as a sum of positive squares in only one way, i.e., 42745444 + 25959025 = 6538^2 + 5095^2 .

It is a cyclic number.

It is not a de Polignac number, because 68704469 - 2⁴ = 68704453 is a prime.

It is a super-2 number, since 2×68704469² = 9440608121143922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68704409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34352234 + 34352235.

It is an arithmetic number, because the mean of its divisors is an integer number (34352235).

Almost surely, 2^68704469 is an apocalyptic number.

It is an amenable number.

68704469 is a deficient number, since it is larger than the sum of its proper divisors (1).

68704469 is an equidigital number, since it uses as much as digits as its factorization.

68704469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 68704469 is about 8288.8158985467. The cubic root of 68704469 is about 409.5701801367.

The spelling of 68704469 in words is "sixty-eight million, seven hundred four thousand, four hundred sixty-nine".