705406017 has 4 divisors (see below), whose sum is σ = 940541360. Its totient is φ = 470270676.

The previous prime is 705406001. The next prime is 705406043. The reversal of 705406017 is 710604507.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 710604507 = 3 ⋅236868169.

It is not a de Polignac number, because 705406017 - 2⁴ = 705406001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705406417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117567667 + ... + 117567672.

It is an arithmetic number, because the mean of its divisors is an integer number (235135340).

Almost surely, 2^705406017 is an apocalyptic number.

It is an amenable number.

705406017 is a deficient number, since it is larger than the sum of its proper divisors (235135343).

705406017 is a wasteful number, since it uses less digits than its factorization.

705406017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235135342.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 705406017 is about 26559.4807366409. The cubic root of 705406017 is about 890.1838685046.

The spelling of 705406017 in words is "seven hundred five million, four hundred six thousand, seventeen".