775940 has 24 divisors (see below), whose sum is σ = 1778112. Its totient is φ = 282080.

The previous prime is 775939. The next prime is 775949. The reversal of 775940 is 49577.

775940 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 = 775897 and 775906.

It is not an unprimeable number, because it can be changed into a prime (775949) 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, 1544 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2⁷⁷⁵⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

775940 is an abundant number, since it is smaller than the sum of its proper divisors (1002172).

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

775940 is a wasteful number, since it uses less digits than its factorization.

775940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 775940 is about 880.8745654178. The cubic root of 775940 is about 91.8916493806.

The spelling of 775940 in words is "seven hundred seventy-five thousand, nine hundred forty".