64073329 has 2 divisors, whose sum is σ = 64073330. Its totient is φ = 64073328.

The previous prime is 64073327. The next prime is 64073333. The reversal of 64073329 is 92337046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58874929 + 5198400 = 7673^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 64073329 - 2¹ = 64073327 is a prime.

Together with 64073327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64073294 and 64073303.

It is not a weakly prime, because it can be changed into another prime (64073327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32036664 + 32036665.

It is an arithmetic number, because the mean of its divisors is an integer number (32036665).

Almost surely, 2^64073329 is an apocalyptic number.

It is an amenable number.

64073329 is a deficient number, since it is larger than the sum of its proper divisors (1).

64073329 is an equidigital number, since it uses as much as digits as its factorization.

64073329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 64073329 is about 8004.5817504727. The cubic root of 64073329 is about 400.1527104414.

The spelling of 64073329 in words is "sixty-four million, seventy-three thousand, three hundred twenty-nine".