704539 has 8 divisors (see below), whose sum is σ = 809280. Its totient is φ = 606600.

The previous prime is 704527. The next prime is 704549. The reversal of 704539 is 935407.

704539 = T₂₄₂ + T₂₄₃ + ... + T₂₆₃.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 704539 - 2⁵ = 704507 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (704549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477 + ... + 1894.

It is an arithmetic number, because the mean of its divisors is an integer number (101160).

2⁷⁰⁴⁵³⁹ is an apocalyptic number.

704539 is a deficient number, since it is larger than the sum of its proper divisors (104741).

704539 is a wasteful number, since it uses less digits than its factorization.

704539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 704539 is about 839.3682147901. The cubic root of 704539 is about 88.9819009613.

It can be divided in two parts, 704 and 539, that multiplied together give a square (379456 = 616²).

The spelling of 704539 in words is "seven hundred four thousand, five hundred thirty-nine".