704745 has 12 divisors (see below), whose sum is σ = 1221636. Its totient is φ = 375840.

The previous prime is 704731. The next prime is 704747. The reversal of 704745 is 547407.

It can be written as a sum of positive squares in 2 ways, for example, as 535824 + 168921 = 732^2 + 411^2 .

It is not a de Polignac number, because 704745 - 2⁵ = 704713 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (704747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7786 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (101803).

2⁷⁰⁴⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

704745 is a deficient number, since it is larger than the sum of its proper divisors (516891).

704745 is a wasteful number, since it uses less digits than its factorization.

704745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672 (or 15669 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 704745 is about 839.4909171635. The cubic root of 704745 is about 88.9905725822.

The spelling of 704745 in words is "seven hundred four thousand, seven hundred forty-five".