1704545 has 4 divisors (see below), whose sum is σ = 2045460. Its totient is φ = 1363632.

The previous prime is 1704529. The next prime is 1704551. The reversal of 1704545 is 5454071.

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 262144 + 1442401 = 512^2 + 1201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1704545 - 2⁴ = 1704529 is a prime.

1704545 is a modest number, since divided by 4545 gives 170 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170450 + ... + 170459.

It is an arithmetic number, because the mean of its divisors is an integer number (511365).

2^1704545 is an apocalyptic number.

It is an amenable number.

1704545 is a deficient number, since it is larger than the sum of its proper divisors (340915).

1704545 is an equidigital number, since it uses as much as digits as its factorization.

1704545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340914.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 1704545 is about 1305.5822455901. The cubic root of 1704545 is about 119.4545849612.

The spelling of 1704545 in words is "one million, seven hundred four thousand, five hundred forty-five".