704047 has 4 divisors (see below), whose sum is σ = 716040. Its totient is φ = 692056.

The previous prime is 704029. The next prime is 704059. The reversal of 704047 is 740407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740407 = 37 ⋅20011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5908 + ... + 6025.

It is an arithmetic number, because the mean of its divisors is an integer number (179010).

2⁷⁰⁴⁰⁴⁷ is an apocalyptic number.

704047 is a deficient number, since it is larger than the sum of its proper divisors (11993).

704047 is a wasteful number, since it uses less digits than its factorization.

704047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11992.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 704047 is about 839.0750860322. The cubic root of 704047 is about 88.9611832580.

The spelling of 704047 in words is "seven hundred four thousand, forty-seven", and thus it is an iban number.