67342879 has 2 divisors, whose sum is σ = 67342880. Its totient is φ = 67342878.

The previous prime is 67342823. The next prime is 67342883. The reversal of 67342879 is 97824376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67342879 - 2²³ = 58954271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67342279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33671439 + 33671440.

It is an arithmetic number, because the mean of its divisors is an integer number (33671440).

Almost surely, 2^67342879 is an apocalyptic number.

67342879 is a deficient number, since it is larger than the sum of its proper divisors (1).

67342879 is an equidigital number, since it uses as much as digits as its factorization.

67342879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 67342879 is about 8206.2707120835. The cubic root of 67342879 is about 406.8464770398.

The spelling of 67342879 in words is "sixty-seven million, three hundred forty-two thousand, eight hundred seventy-nine".