704667 has 16 divisors (see below), whose sum is σ = 1022112. Its totient is φ = 430080.

The previous prime is 704663. The next prime is 704681. The reversal of 704667 is 766407.

It is not a de Polignac number, because 704667 - 2² = 704663 is a prime.

704667 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (704663) 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, 1923 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (63882).

2⁷⁰⁴⁶⁶⁷ is an apocalyptic number.

704667 is a deficient number, since it is larger than the sum of its proper divisors (317445).

704667 is a wasteful number, since it uses less digits than its factorization.

704667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 704667 is about 839.4444591514. Note that the first 4 decimals coincide. The cubic root of 704667 is about 88.9872893517.

The spelling of 704667 in words is "seven hundred four thousand, six hundred sixty-seven".