764342573 has 2 divisors, whose sum is σ = 764342574. Its totient is φ = 764342572.

The previous prime is 764342563. The next prime is 764342597. The reversal of 764342573 is 375243467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445969924 + 318372649 = 21118^2 + 17843^2 .

It is an emirp because it is prime and its reverse (375243467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764342573 - 2¹⁶ = 764277037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 764342573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764342533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382171286 + 382171287.

It is an arithmetic number, because the mean of its divisors is an integer number (382171287).

Almost surely, 2^764342573 is an apocalyptic number.

It is an amenable number.

764342573 is a deficient number, since it is larger than the sum of its proper divisors (1).

764342573 is an equidigital number, since it uses as much as digits as its factorization.

764342573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 41.

The square root of 764342573 is about 27646.7461557414. The cubic root of 764342573 is about 914.3153619234.

The spelling of 764342573 in words is "seven hundred sixty-four million, three hundred forty-two thousand, five hundred seventy-three".