67609007 has 2 divisors, whose sum is σ = 67609008. Its totient is φ = 67609006.

The previous prime is 67608979. The next prime is 67609013. The reversal of 67609007 is 70090676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67609007 - 2¹⁶ = 67543471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67609057) 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 as a sum of consecutive naturals, namely, 33804503 + 33804504.

It is an arithmetic number, because the mean of its divisors is an integer number (33804504).

Almost surely, 2^67609007 is an apocalyptic number.

67609007 is a deficient number, since it is larger than the sum of its proper divisors (1).

67609007 is an equidigital number, since it uses as much as digits as its factorization.

67609007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 67609007 is about 8222.4696411723. The cubic root of 67609007 is about 407.3817027738.

The spelling of 67609007 in words is "sixty-seven million, six hundred nine thousand, seven".