775066 has 8 divisors (see below), whose sum is σ = 1181844. Its totient is φ = 381120.

The previous prime is 775063. The next prime is 775079. The reversal of 775066 is 660577.

It can be written as a sum of positive squares in 2 ways, for example, as 697225 + 77841 = 835^2 + 279^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (775063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055 + ... + 3298.

2⁷⁷⁵⁰⁶⁶ is an apocalyptic number.

775066 is a deficient number, since it is larger than the sum of its proper divisors (406778).

775066 is a wasteful number, since it uses less digits than its factorization.

775066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 775066 is about 880.3783277660. The cubic root of 775066 is about 91.8571349101.

The spelling of 775066 in words is "seven hundred seventy-five thousand, sixty-six".