770249 has 4 divisors (see below), whose sum is σ = 784836. Its totient is φ = 755664.

The previous prime is 770239. The next prime is 770261. The reversal of 770249 is 942077.

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 499849 + 270400 = 707^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 770249 - 2⁴ = 770233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 770249.

It is not an unprimeable number, because it can be changed into a prime (770239) 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, 7214 + ... + 7319.

It is an arithmetic number, because the mean of its divisors is an integer number (196209).

2⁷⁷⁰²⁴⁹ is an apocalyptic number.

It is an amenable number.

770249 is a deficient number, since it is larger than the sum of its proper divisors (14587).

770249 is a wasteful number, since it uses less digits than its factorization.

770249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14586.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 770249 is about 877.6383081885. The cubic root of 770249 is about 91.6664433420. Note that the first 3 decimals are identical.

The spelling of 770249 in words is "seven hundred seventy thousand, two hundred forty-nine".