704845 has 8 divisors (see below), whose sum is σ = 875160. Its totient is φ = 544320.

The previous prime is 704839. The next prime is 704849. The reversal of 704845 is 548407.

704845 = T₁₂₆ + T₁₂₇ + ... + T₁₈₃.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 491401 = 462^2 + 701^2 .

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

It is not a de Polignac number, because 704845 - 2¹³ = 696653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286 + ... + 2575.

It is an arithmetic number, because the mean of its divisors is an integer number (109395).

2⁷⁰⁴⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

704845 is a deficient number, since it is larger than the sum of its proper divisors (170315).

704845 is a wasteful number, since it uses less digits than its factorization.

704845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895.

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

The square root of 704845 is about 839.5504749567. The cubic root of 704845 is about 88.9947814977.

The spelling of 704845 in words is "seven hundred four thousand, eight hundred forty-five".