764105393 has 2 divisors, whose sum is σ = 764105394. Its totient is φ = 764105392.

The previous prime is 764105357. The next prime is 764105417. The reversal of 764105393 is 393501467.

It is a happy number.

764105393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 593750689 + 170354704 = 24367^2 + 13052^2 .

It is an emirp because it is prime and its reverse (393501467) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764105393 is a prime.

It is a super-2 number, since 2×764105393² = 1167714103223368898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (764102393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382052696 + 382052697.

It is an arithmetic number, because the mean of its divisors is an integer number (382052697).

Almost surely, 2^764105393 is an apocalyptic number.

It is an amenable number.

764105393 is a deficient number, since it is larger than the sum of its proper divisors (1).

764105393 is an equidigital number, since it uses as much as digits as its factorization.

764105393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 764105393 is about 27642.4563488848. The cubic root of 764105393 is about 914.2207796598.

The spelling of 764105393 in words is "seven hundred sixty-four million, one hundred five thousand, three hundred ninety-three".