704843221 has 8 divisors (see below), whose sum is σ = 714377664. Its totient is φ = 695333760.

The previous prime is 704843189. The next prime is 704843233. The reversal of 704843221 is 122348407.

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 704843221 - 2⁵ = 704843189 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 (704843261) 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 7 ways as a sum of consecutive naturals, for example, 54501 + ... + 66181.

It is an arithmetic number, because the mean of its divisors is an integer number (89297208).

Almost surely, 2^704843221 is an apocalyptic number.

It is an amenable number.

704843221 is a deficient number, since it is larger than the sum of its proper divisors (9534443).

704843221 is a wasteful number, since it uses less digits than its factorization.

704843221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12491.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 704843221 is about 26548.8836111803. The cubic root of 704843221 is about 889.9470662454.

The spelling of 704843221 in words is "seven hundred four million, eight hundred forty-three thousand, two hundred twenty-one".