67829249 has 2 divisors, whose sum is σ = 67829250. Its totient is φ = 67829248.

The previous prime is 67829243. The next prime is 67829261. The reversal of 67829249 is 94292876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66716224 + 1113025 = 8168^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 67829249 - 2¹⁶ = 67763713 is a prime.

It is not a weakly prime, because it can be changed into another prime (67829243) 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, 33914624 + 33914625.

It is an arithmetic number, because the mean of its divisors is an integer number (33914625).

Almost surely, 2^67829249 is an apocalyptic number.

It is an amenable number.

67829249 is a deficient number, since it is larger than the sum of its proper divisors (1).

67829249 is an equidigital number, since it uses as much as digits as its factorization.

67829249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 67829249 is about 8235.8514435364. The cubic root of 67829249 is about 407.8235832995.

The spelling of 67829249 in words is "sixty-seven million, eight hundred twenty-nine thousand, two hundred forty-nine".