770832 has 60 divisors (see below), whose sum is σ = 2219724. Its totient is φ = 249600.

The previous prime is 770813. The next prime is 770837. The reversal of 770832 is 238077.

It can be written as a sum of positive squares in 2 ways, for example, as 665856 + 104976 = 816^2 + 324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 770796 and 770805.

It is not an unprimeable number, because it can be changed into a prime (770837) by changing a digit.

770832 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7582 + ... + 7682.

2⁷⁷⁰⁸³² is an apocalyptic number.

770832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109862).

770832 is an abundant number, since it is smaller than the sum of its proper divisors (1448892).

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

770832 is a wasteful number, since it uses less digits than its factorization.

770832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 770832 is about 877.9703867443. The cubic root of 770832 is about 91.6895648948.

The spelling of 770832 in words is "seven hundred seventy thousand, eight hundred thirty-two".