704280 has 32 divisors (see below), whose sum is σ = 2113200. Its totient is φ = 187776.

The previous prime is 704279. The next prime is 704281. The reversal of 704280 is 82407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (704279) and next prime (704281).

It is an Ulam number.

It is a nialpdrome in base 15.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815 + ... + 3054.

2⁷⁰⁴²⁸⁰ is an apocalyptic number.

It is an amenable number.

704280 is an abundant number, since it is smaller than the sum of its proper divisors (1408920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

704280 is a wasteful number, since it uses less digits than its factorization.

704280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883 (or 5879 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 704280 is about 839.2139179017. The cubic root of 704280 is about 88.9709958934.

Adding to 704280 its reverse (82407), we get a palindrome (786687).

The spelling of 704280 in words is "seven hundred four thousand, two hundred eighty".