67120579 has 2 divisors, whose sum is σ = 67120580. Its totient is φ = 67120578.

The previous prime is 67120541. The next prime is 67120609. The reversal of 67120579 is 97502176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67120579 - 2¹⁹ = 66596291 is a prime.

It is not a weakly prime, because it can be changed into another prime (67120379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33560289 + 33560290.

It is an arithmetic number, because the mean of its divisors is an integer number (33560290).

Almost surely, 2^67120579 is an apocalyptic number.

67120579 is a deficient number, since it is larger than the sum of its proper divisors (1).

67120579 is an equidigital number, since it uses as much as digits as its factorization.

67120579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 67120579 is about 8192.7149956532. The cubic root of 67120579 is about 406.3983144777.

The spelling of 67120579 in words is "sixty-seven million, one hundred twenty thousand, five hundred seventy-nine".