705574049 has 4 divisors (see below), whose sum is σ = 705929364. Its totient is φ = 705218736.

The previous prime is 705574039. The next prime is 705574061. The reversal of 705574049 is 940475507.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26450449 + 679123600 = 5143^2 + 26060^2 .

It is a cyclic number.

It is not a de Polignac number, because 705574049 - 2²⁸ = 437138593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 705573997 and 705574015.

It is not an unprimeable number, because it can be changed into a prime (705574039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174662 + ... + 178655.

It is an arithmetic number, because the mean of its divisors is an integer number (176482341).

Almost surely, 2^705574049 is an apocalyptic number.

It is an amenable number.

705574049 is a deficient number, since it is larger than the sum of its proper divisors (355315).

705574049 is a wasteful number, since it uses less digits than its factorization.

705574049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355314.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 705574049 is about 26562.6438631398. The cubic root of 705574049 is about 890.2545452954.

The spelling of 705574049 in words is "seven hundred five million, five hundred seventy-four thousand, forty-nine".