704464621 has 6 divisors (see below), whose sum is σ = 819479310. Its totient is φ = 603826776.

The previous prime is 704464619. The next prime is 704464667. The reversal of 704464621 is 126464407.

It can be written as a sum of positive squares in only one way, i.e., 583222500 + 121242121 = 24150^2 + 11011^2 .

It is not a de Polignac number, because 704464621 - 2¹ = 704464619 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 (704464681) 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 5 ways as a sum of consecutive naturals, for example, 7188366 + ... + 7188463.

It is an arithmetic number, because the mean of its divisors is an integer number (136579885).

Almost surely, 2^704464621 is an apocalyptic number.

It is an amenable number.

704464621 is a deficient number, since it is larger than the sum of its proper divisors (115014689).

704464621 is a wasteful number, since it uses less digits than its factorization.

704464621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14376843 (or 14376836 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 704464621 is about 26541.7524101179. The cubic root of 704464621 is about 889.7876954358.

The spelling of 704464621 in words is "seven hundred four million, four hundred sixty-four thousand, six hundred twenty-one".