770432 has 32 divisors (see below), whose sum is σ = 1656480. Its totient is φ = 354816.

The previous prime is 770417. The next prime is 770437. The reversal of 770432 is 234077.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 770398 and 770407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433 + ... + 1895.

It is an arithmetic number, because the mean of its divisors is an integer number (51765).

2⁷⁷⁰⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828240).

770432 is an abundant number, since it is smaller than the sum of its proper divisors (886048).

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

770432 is a wasteful number, since it uses less digits than its factorization.

770432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 770432 is about 877.7425590684. The cubic root of 770432 is about 91.6737023066.

The spelling of 770432 in words is "seven hundred seventy thousand, four hundred thirty-two".