770313 has 4 divisors (see below), whose sum is σ = 1027088. Its totient is φ = 513540.

The previous prime is 770311. The next prime is 770353. The reversal of 770313 is 313077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 770313 - 2¹ = 770311 is a prime.

It is a D-number.

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 770313.

It is not an unprimeable number, because it can be changed into a prime (770311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128383 + ... + 128388.

It is an arithmetic number, because the mean of its divisors is an integer number (256772).

2⁷⁷⁰³¹³ is an apocalyptic number.

It is an amenable number.

770313 is a deficient number, since it is larger than the sum of its proper divisors (256775).

770313 is a wasteful number, since it uses less digits than its factorization.

770313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256774.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 770313 is about 877.6747689207. The cubic root of 770313 is about 91.6689821270.

The spelling of 770313 in words is "seven hundred seventy thousand, three hundred thirteen".