704245 has 8 divisors (see below), whose sum is σ = 859320. Its totient is φ = 553920.

The previous prime is 704243. The next prime is 704251. The reversal of 704245 is 542407.

It can be written as a sum of positive squares in 4 ways, for example, as 28561 + 675684 = 169^2 + 822^2 .

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

It is not a de Polignac number, because 704245 - 2¹ = 704243 is a prime.

It is a super-2 number, since 2×704245² = 991922040050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704243) 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, 850 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (107415).

2⁷⁰⁴²⁴⁵ is an apocalyptic number.

It is an amenable number.

704245 is a deficient number, since it is larger than the sum of its proper divisors (155075).

704245 is a wasteful number, since it uses less digits than its factorization.

704245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 704245 is about 839.1930647950. The cubic root of 704245 is about 88.9695220305.

It can be divided in two parts, 704 and 245, that added together give a palindrome (949).

The spelling of 704245 in words is "seven hundred four thousand, two hundred forty-five".