770648 has 8 divisors (see below), whose sum is σ = 1444980. Its totient is φ = 385320.

The previous prime is 770647. The next prime is 770657. The reversal of 770648 is 846077.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48158 + ... + 48173.

2⁷⁷⁰⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

770648 is a deficient number, since it is larger than the sum of its proper divisors (674332).

770648 is a wasteful number, since it uses less digits than its factorization.

770648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96337 (or 96333 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 770648 is about 877.8655933570. The cubic root of 770648 is about 91.6822687860.

The spelling of 770648 in words is "seven hundred seventy thousand, six hundred forty-eight".