770320337 has 4 divisors (see below), whose sum is σ = 815633316. Its totient is φ = 725007360.

The previous prime is 770320307. The next prime is 770320349. The reversal of 770320337 is 733023077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 733023077 = 223 ⋅3287099.

It can be written as a sum of positive squares in 2 ways, for example, as 670240321 + 100080016 = 25889^2 + 10004^2 .

It is a cyclic number.

It is not a de Polignac number, because 770320337 - 2¹⁰ = 770319313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770320307) 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, 22656464 + ... + 22656497.

It is an arithmetic number, because the mean of its divisors is an integer number (203908329).

Almost surely, 2^770320337 is an apocalyptic number.

It is an amenable number.

770320337 is a deficient number, since it is larger than the sum of its proper divisors (45312979).

770320337 is a wasteful number, since it uses less digits than its factorization.

770320337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45312978.

The product of its (nonzero) digits is 18522, while the sum is 32.

The square root of 770320337 is about 27754.6453229005. The cubic root of 770320337 is about 916.6927316592.

The spelling of 770320337 in words is "seven hundred seventy million, three hundred twenty thousand, three hundred thirty-seven".