704104081 has 4 divisors (see below), whose sum is σ = 704215332. Its totient is φ = 703992832.

The previous prime is 704104069. The next prime is 704104087. The reversal of 704104081 is 180401407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180401407 = 257 ⋅701951.

It can be written as a sum of positive squares in 2 ways, for example, as 200505600 + 503598481 = 14160^2 + 22441^2 .

It is a cyclic number.

It is not a de Polignac number, because 704104081 - 2²³ = 695715473 is a prime.

It is a super-2 number, since 2×704104081² = 991525113761709122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704104087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45520 + ... + 58993.

It is an arithmetic number, because the mean of its divisors is an integer number (176053833).

Almost surely, 2^704104081 is an apocalyptic number.

It is an amenable number.

704104081 is a deficient number, since it is larger than the sum of its proper divisors (111251).

704104081 is a wasteful number, since it uses less digits than its factorization.

704104081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111250.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 704104081 is about 26534.9596004969. The cubic root of 704104081 is about 889.6358738538.

Adding to 704104081 its reverse (180401407), we get a palindrome (884505488).

The spelling of 704104081 in words is "seven hundred four million, one hundred four thousand, eighty-one".