64834673 has 2 divisors, whose sum is σ = 64834674. Its totient is φ = 64834672.

The previous prime is 64834663. The next prime is 64834681. The reversal of 64834673 is 37643846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39150049 + 25684624 = 6257^2 + 5068^2 .

It is a cyclic number.

It is not a de Polignac number, because 64834673 - 2⁴ = 64834657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64834673.

It is not a weakly prime, because it can be changed into another prime (64834613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32417336 + 32417337.

It is an arithmetic number, because the mean of its divisors is an integer number (32417337).

Almost surely, 2^64834673 is an apocalyptic number.

It is an amenable number.

64834673 is a deficient number, since it is larger than the sum of its proper divisors (1).

64834673 is an equidigital number, since it uses as much as digits as its factorization.

64834673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 41.

The square root of 64834673 is about 8051.9980750122. The cubic root of 64834673 is about 401.7313969319.

The spelling of 64834673 in words is "sixty-four million, eight hundred thirty-four thousand, six hundred seventy-three".