704155 has 4 divisors (see below), whose sum is σ = 844992. Its totient is φ = 563320.

The previous prime is 704153. The next prime is 704161. The reversal of 704155 is 551407.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 704155 - 2¹ = 704153 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (704153) 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 3 ways as a sum of consecutive naturals, for example, 70411 + ... + 70420.

It is an arithmetic number, because the mean of its divisors is an integer number (211248).

2⁷⁰⁴¹⁵⁵ is an apocalyptic number.

704155 is a deficient number, since it is larger than the sum of its proper divisors (140837).

704155 is a wasteful number, since it uses less digits than its factorization.

704155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140836.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 704155 is about 839.1394401409. The cubic root of 704155 is about 88.9657318731.

It can be divided in two parts, 70 and 4155, that added together give a square (4225 = 65²).

The spelling of 704155 in words is "seven hundred four thousand, one hundred fifty-five".