704378 has 8 divisors (see below), whose sum is σ = 1118772. Its totient is φ = 331456.

The previous prime is 704357. The next prime is 704393. The reversal of 704378 is 873407.

It can be written as a sum of positive squares in 2 ways, for example, as 683929 + 20449 = 827^2 + 143^2 .

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

It is a super-2 number, since 2×704378² = 992296733768, which contains 22 as substring.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 704378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10325 + ... + 10392.

2⁷⁰⁴³⁷⁸ is an apocalyptic number.

704378 is a deficient number, since it is larger than the sum of its proper divisors (414394).

704378 is a wasteful number, since it uses less digits than its factorization.

704378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20736.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 704378 is about 839.2723038442. The cubic root of 704378 is about 88.9751224497.

Adding to 704378 its sum of digits (29), we get a palindrome (704407).

The spelling of 704378 in words is "seven hundred four thousand, three hundred seventy-eight".