704505421 has 8 divisors (see below), whose sum is σ = 723561344. Its totient is φ = 685571040.

The previous prime is 704505413. The next prime is 704505499. The reversal of 704505421 is 124505407.

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 704505421 - 2³ = 704505413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 704505421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704545421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18576 + ... + 41881.

It is an arithmetic number, because the mean of its divisors is an integer number (90445168).

Almost surely, 2^704505421 is an apocalyptic number.

It is an amenable number.

704505421 is a deficient number, since it is larger than the sum of its proper divisors (19055923).

704505421 is a wasteful number, since it uses less digits than its factorization.

704505421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60771.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 704505421 is about 26542.5209993324. The cubic root of 704505421 is about 889.8048728478.

The spelling of 704505421 in words is "seven hundred four million, five hundred five thousand, four hundred twenty-one".