775242 has 24 divisors (see below), whose sum is σ = 1809444. Its totient is φ = 238464.

The previous prime is 775241. The next prime is 775259. The reversal of 775242 is 242577.

775242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 772641 + 2601 = 879^2 + 51^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (775241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1423 + ... + 1890.

2⁷⁷⁵²⁴² is an apocalyptic number.

775242 is an abundant number, since it is smaller than the sum of its proper divisors (1034202).

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

775242 is a wasteful number, since it uses less digits than its factorization.

775242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334 (or 3331 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 775242 is about 880.4782791188. The cubic root of 775242 is about 91.8640872781.

The spelling of 775242 in words is "seven hundred seventy-five thousand, two hundred forty-two".