770332313 has 4 divisors (see below), whose sum is σ = 789120948. Its totient is φ = 751543680.

The previous prime is 770332289. The next prime is 770332327. The reversal of 770332313 is 313233077.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 393506569 + 376825744 = 19837^2 + 19412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770332313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770332513) 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 in 3 ways as a sum of consecutive naturals, for example, 9394256 + ... + 9394337.

It is an arithmetic number, because the mean of its divisors is an integer number (197280237).

Almost surely, 2^770332313 is an apocalyptic number.

It is an amenable number.

770332313 is a deficient number, since it is larger than the sum of its proper divisors (18788635).

770332313 is a wasteful number, since it uses less digits than its factorization.

770332313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18788634.

The product of its (nonzero) digits is 7938, while the sum is 29.

The square root of 770332313 is about 27754.8610697297. The cubic root of 770332313 is about 916.6974821744.

The spelling of 770332313 in words is "seven hundred seventy million, three hundred thirty-two thousand, three hundred thirteen".