634365073 has 2 divisors, whose sum is σ = 634365074. Its totient is φ = 634365072.

The previous prime is 634365071. The next prime is 634365107. The reversal of 634365073 is 370563436.

634365073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510443649 + 123921424 = 22593^2 + 11132^2 .

It is a cyclic number.

It is not a de Polignac number, because 634365073 - 2¹ = 634365071 is a prime.

Together with 634365071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (634365071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317182536 + 317182537.

It is an arithmetic number, because the mean of its divisors is an integer number (317182537).

Almost surely, 2^634365073 is an apocalyptic number.

It is an amenable number.

634365073 is a deficient number, since it is larger than the sum of its proper divisors (1).

634365073 is an equidigital number, since it uses as much as digits as its factorization.

634365073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 37.

The square root of 634365073 is about 25186.6050312463. The cubic root of 634365073 is about 859.2372329027.

The spelling of 634365073 in words is "six hundred thirty-four million, three hundred sixty-five thousand, seventy-three".