764990435 has 12 divisors (see below), whose sum is σ = 1009029504. Its totient is φ = 556356240.

The previous prime is 764990411. The next prime is 764990461. The reversal of 764990435 is 534099467.

It is a happy number.

It is not a de Polignac number, because 764990435 - 2⁶ = 764990371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 764990435.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 631619 + ... + 632828.

It is an arithmetic number, because the mean of its divisors is an integer number (84085792).

Almost surely, 2^764990435 is an apocalyptic number.

764990435 is a deficient number, since it is larger than the sum of its proper divisors (244039069).

764990435 is a wasteful number, since it uses less digits than its factorization.

764990435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264474 (or 1264463 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 764990435 is about 27658.4604596857. The cubic root of 764990435 is about 914.5736156256.

It can be divided in two parts, 764 and 990435, that added together give a palindrome (991199).

The spelling of 764990435 in words is "seven hundred sixty-four million, nine hundred ninety thousand, four hundred thirty-five".