64679 has 2 divisors, whose sum is σ = 64680. Its totient is φ = 64678.

The previous prime is 64667. The next prime is 64693. The reversal of 64679 is 97646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64679 - 2⁴ = 64663 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64609) 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, 32339 + 32340.

It is an arithmetic number, because the mean of its divisors is an integer number (32340).

2⁶⁴⁶⁷⁹ is an apocalyptic number.

64679 is a deficient number, since it is larger than the sum of its proper divisors (1).

64679 is an equidigital number, since it uses as much as digits as its factorization.

64679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 64679 is about 254.3206637299. The cubic root of 64679 is about 40.1409609997.

The spelling of 64679 in words is "sixty-four thousand, six hundred seventy-nine".