704749 has 4 divisors (see below), whose sum is σ = 721980. Its totient is φ = 687520.

The previous prime is 704747. The next prime is 704761. The reversal of 704749 is 947407.

704749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 338724 + 366025 = 582^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 704749 - 2¹ = 704747 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 704749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8554 + ... + 8635.

It is an arithmetic number, because the mean of its divisors is an integer number (180495).

2⁷⁰⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

704749 is a deficient number, since it is larger than the sum of its proper divisors (17231).

704749 is a wasteful number, since it uses less digits than its factorization.

704749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17230.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 704749 is about 839.4932995563. The cubic root of 704749 is about 88.9907409465.

The spelling of 704749 in words is "seven hundred four thousand, seven hundred forty-nine".