67061479 has 2 divisors, whose sum is σ = 67061480. Its totient is φ = 67061478.

The previous prime is 67061429. The next prime is 67061503. The reversal of 67061479 is 97416076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67061479 - 2¹¹ = 67059431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67061429) 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, 33530739 + 33530740.

It is an arithmetic number, because the mean of its divisors is an integer number (33530740).

Almost surely, 2^67061479 is an apocalyptic number.

67061479 is a deficient number, since it is larger than the sum of its proper divisors (1).

67061479 is an equidigital number, since it uses as much as digits as its factorization.

67061479 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 67061479 is about 8189.1073384100. The cubic root of 67061479 is about 406.2790008804.

The spelling of 67061479 in words is "sixty-seven million, sixty-one thousand, four hundred seventy-nine".