1704097321 has 4 divisors (see below), whose sum is σ = 1708594000. Its totient is φ = 1699600644.

The previous prime is 1704097223. The next prime is 1704097337. The reversal of 1704097321 is 1237904071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1704097321 - 2⁷ = 1704097193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1704097361) 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, 2247771 + ... + 2248528.

It is an arithmetic number, because the mean of its divisors is an integer number (427148500).

Almost surely, 2^1704097321 is an apocalyptic number.

It is an amenable number.

1704097321 is a deficient number, since it is larger than the sum of its proper divisors (4496679).

1704097321 is an equidigital number, since it uses as much as digits as its factorization.

1704097321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496678.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1704097321 is about 41280.7136687340. The cubic root of 1704097321 is about 1194.4412625788.

The spelling of 1704097321 in words is "one billion, seven hundred four million, ninety-seven thousand, three hundred twenty-one".