67429 has 2 divisors, whose sum is σ = 67430. Its totient is φ = 67428.
The previous prime is 67427. The next prime is 67433. The reversal of 67429 is 92476.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36100 + 31329 = 190^2 + 177^2 .
It is a cyclic number.
It is not a de Polignac number, because 67429 - 21 = 67427 is a prime.
Together with 67427, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 67397 and 67406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (67421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33714 + 33715.
It is an arithmetic number, because the mean of its divisors is an integer number (33715).
267429 is an apocalyptic number.
It is an amenable number.
67429 is a deficient number, since it is larger than the sum of its proper divisors (1).
67429 is an equidigital number, since it uses as much as digits as its factorization.
67429 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3024, while the sum is 28.
The square root of 67429 is about 259.6709456216. The cubic root of 67429 is about 40.7019834147.
It can be divided in two parts, 674 and 29, that added together give a triangular number (703 = T37).
The spelling of 67429 in words is "sixty-seven thousand, four hundred twenty-nine".
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