775055 has 8 divisors (see below), whose sum is σ = 934800. Its totient is φ = 616896.

The previous prime is 775043. The next prime is 775057. The reversal of 775055 is 550577.

775055 = 146² + 147² + ... + 175².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 775055 - 2⁸ = 774799 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (116850).

2⁷⁷⁵⁰⁵⁵ is an apocalyptic number.

775055 is a deficient number, since it is larger than the sum of its proper divisors (159745).

775055 is a wasteful number, since it uses less digits than its factorization.

775055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 6125, while the sum is 29.

The square root of 775055 is about 880.3720804296. The cubic root of 775055 is about 91.8567003521.

The spelling of 775055 in words is "seven hundred seventy-five thousand, fifty-five".