775042 has 8 divisors (see below), whose sum is σ = 1169532. Its totient is φ = 385200.

The previous prime is 775037. The next prime is 775043. The reversal of 775042 is 240577.

775042 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 + 2401 = 879^2 + 49^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 774998 and 775016.

It is not an unprimeable number, because it can be changed into a prime (775043) by changing a digit.

775042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709 + ... + 1432.

2⁷⁷⁵⁰⁴² is an apocalyptic number.

775042 is a deficient number, since it is larger than the sum of its proper divisors (394490).

775042 is a wasteful number, since it uses less digits than its factorization.

775042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 775042 is about 880.3646971568. The cubic root of 775042 is about 91.8561867783.

The spelling of 775042 in words is "seven hundred seventy-five thousand, forty-two".