704785 has 8 divisors (see below), whose sum is σ = 873216. Its totient is φ = 545520.

The previous prime is 704783. The next prime is 704797. The reversal of 704785 is 587407.

It is a happy number.

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

It is not a de Polignac number, because 704785 - 2¹ = 704783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (704783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2119 + ... + 2428.

It is an arithmetic number, because the mean of its divisors is an integer number (109152).

2⁷⁰⁴⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

704785 is a deficient number, since it is larger than the sum of its proper divisors (168431).

704785 is a wasteful number, since it uses less digits than its factorization.

704785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 704785 is about 839.5147407878. The cubic root of 704785 is about 88.9922561962.

The spelling of 704785 in words is "seven hundred four thousand, seven hundred eighty-five".