704505 has 16 divisors (see below), whose sum is σ = 1145664. Its totient is φ = 369600.

The previous prime is 704477. The next prime is 704507. The reversal of 704505 is 505407.

It is not a de Polignac number, because 704505 - 2⁶ = 704441 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (704507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (71604).

2⁷⁰⁴⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

704505 is a deficient number, since it is larger than the sum of its proper divisors (441159).

704505 is a wasteful number, since it uses less digits than its factorization.

704505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 704505 is about 839.3479612175. The cubic root of 704505 is about 88.9804695604.

The spelling of 704505 in words is "seven hundred four thousand, five hundred five".