745826 has 12 divisors (see below), whose sum is σ = 1181862. Its totient is φ = 352944.

The previous prime is 745817. The next prime is 745837. The reversal of 745826 is 628547.

It can be written as a sum of positive squares in only one way, i.e., 442225 + 303601 = 665^2 + 551^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 745792 and 745801.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 745826.

It is an unprimeable number.

745826 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 5 ways as a sum of consecutive naturals, for example, 206 + ... + 1238.

2⁷⁴⁵⁸²⁶ is an apocalyptic number.

745826 is a deficient number, since it is larger than the sum of its proper divisors (436036).

745826 is a wasteful number, since it uses less digits than its factorization.

745826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1054 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 745826 is about 863.6121814796. The cubic root of 745826 is about 90.6871679658.

The spelling of 745826 in words is "seven hundred forty-five thousand, eight hundred twenty-six".