775056 has 40 divisors (see below), whose sum is σ = 2040544. Its totient is φ = 253440.

The previous prime is 775043. The next prime is 775057. The reversal of 775056 is 650577.

775056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (775057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 3336.

2⁷⁷⁵⁰⁵⁶ 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 775056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020272).

775056 is an abundant number, since it is smaller than the sum of its proper divisors (1265488).

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

775056 is a wasteful number, since it uses less digits than its factorization.

775056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 775056 is about 880.3726483711. The cubic root of 775056 is about 91.8567398576.

The spelling of 775056 in words is "seven hundred seventy-five thousand, fifty-six".