745822 has 32 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 278880.

The previous prime is 745817. The next prime is 745837. The reversal of 745822 is 228547.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4383 + ... + 4549.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁷⁴⁵⁸²² is an apocalyptic number.

745822 is a deficient number, since it is larger than the sum of its proper divisors (705698).

745822 is a wasteful number, since it uses less digits than its factorization.

745822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its digits is 4480, while the sum is 28.

The square root of 745822 is about 863.6098656222. The cubic root of 745822 is about 90.6870058416.

The spelling of 745822 in words is "seven hundred forty-five thousand, eight hundred twenty-two".