704258145 has 20 divisors (see below), whose sum is σ = 1262448660. Its totient is φ = 375604128.

The previous prime is 704258141. The next prime is 704258207. The reversal of 704258145 is 541852407.

704258145 is a `hidden beast` number, since 70 + 4 + 2 + 581 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 403166241 + 301091904 = 20079^2 + 17352^2 .

It is not a de Polignac number, because 704258145 - 2² = 704258141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (704258141) 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 19 ways as a sum of consecutive naturals, for example, 869050 + ... + 869859.

It is an arithmetic number, because the mean of its divisors is an integer number (63122433).

Almost surely, 2^704258145 is an apocalyptic number.

It is an amenable number.

704258145 is a deficient number, since it is larger than the sum of its proper divisors (558190515).

704258145 is a wasteful number, since it uses less digits than its factorization.

704258145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738926 (or 1738917 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 704258145 is about 26537.8624798607. The cubic root of 704258145 is about 889.7007557699.

The spelling of 704258145 in words is "seven hundred four million, two hundred fifty-eight thousand, one hundred forty-five".