67079641 has 2 divisors, whose sum is σ = 67079642. Its totient is φ = 67079640.

The previous prime is 67079599. The next prime is 67079647. The reversal of 67079641 is 14697076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58079641 + 9000000 = 7621^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 67079641 - 2²³ = 58691033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67079594 and 67079603.

It is not a weakly prime, because it can be changed into another prime (67079647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33539820 + 33539821.

It is an arithmetic number, because the mean of its divisors is an integer number (33539821).

Almost surely, 2^67079641 is an apocalyptic number.

It is an amenable number.

67079641 is a deficient number, since it is larger than the sum of its proper divisors (1).

67079641 is an equidigital number, since it uses as much as digits as its factorization.

67079641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 67079641 is about 8190.2161754132. The cubic root of 67079641 is about 406.3156745580.

The spelling of 67079641 in words is "sixty-seven million, seventy-nine thousand, six hundred forty-one".