67006679 has 2 divisors, whose sum is σ = 67006680. Its totient is φ = 67006678.

The previous prime is 67006663. The next prime is 67006691. The reversal of 67006679 is 97660076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67006679 - 2⁴ = 67006663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67006649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33503339 + 33503340.

It is an arithmetic number, because the mean of its divisors is an integer number (33503340).

Almost surely, 2^67006679 is an apocalyptic number.

67006679 is a deficient number, since it is larger than the sum of its proper divisors (1).

67006679 is an equidigital number, since it uses as much as digits as its factorization.

67006679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 67006679 is about 8185.7607465647. The cubic root of 67006679 is about 406.1683056557.

The spelling of 67006679 in words is "sixty-seven million, six thousand, six hundred seventy-nine".