705120007 has 4 divisors (see below), whose sum is σ = 729434520. Its totient is φ = 680805496.

The previous prime is 705119983. The next prime is 705120041. The reversal of 705120007 is 700021507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700021507 = 4441 ⋅157627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705120007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705120007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705120047) 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, 12157213 + ... + 12157270.

It is an arithmetic number, because the mean of its divisors is an integer number (182358630).

Almost surely, 2^705120007 is an apocalyptic number.

705120007 is a deficient number, since it is larger than the sum of its proper divisors (24314513).

705120007 is a wasteful number, since it uses less digits than its factorization.

705120007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24314512.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 705120007 is about 26554.0958610908. The cubic root of 705120007 is about 890.0635425743.

The spelling of 705120007 in words is "seven hundred five million, one hundred twenty thousand, seven".