770620 has 24 divisors (see below), whose sum is σ = 1651104. Its totient is φ = 302016.

The previous prime is 770611. The next prime is 770639. The reversal of 770620 is 26077.

770620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 770591 and 770600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2⁷⁷⁰⁶²⁰ is an apocalyptic number.

It is an amenable number.

770620 is an abundant number, since it is smaller than the sum of its proper divisors (880484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770620 is a wasteful number, since it uses less digits than its factorization.

770620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 770620 is about 877.8496454405. The cubic root of 770620 is about 91.6811584067.

Adding to 770620 its reverse (26077), we get a palindrome (796697).

The spelling of 770620 in words is "seven hundred seventy thousand, six hundred twenty".