775238 has 16 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 350856.

The previous prime is 775237. The next prime is 775241. The reversal of 775238 is 832577.

775238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 7⁶ + 7⁶ + 2¹⁸ + 5⁶ + 3³ + 8⁶ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775237) 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, 431 + ... + 1317.

It is an arithmetic number, because the mean of its divisors is an integer number (79920).

2⁷⁷⁵²³⁸ is an apocalyptic number.

775238 is a deficient number, since it is larger than the sum of its proper divisors (503482).

775238 is a wasteful number, since it uses less digits than its factorization.

775238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its digits is 11760, while the sum is 32.

The square root of 775238 is about 880.4760076231. The cubic root of 775238 is about 91.8639292814.

The spelling of 775238 in words is "seven hundred seventy-five thousand, two hundred thirty-eight".