705956945 has 8 divisors (see below), whose sum is σ = 847473000. Its totient is φ = 564549120.

The previous prime is 705956941. The next prime is 705956959. The reversal of 705956945 is 549659507.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25321024 + 680635921 = 5032^2 + 26089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 705956945 - 2² = 705956941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 705956893 and 705956902.

It is not an unprimeable number, because it can be changed into a prime (705956941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11936 + ... + 39425.

It is an arithmetic number, because the mean of its divisors is an integer number (105934125).

Almost surely, 2^705956945 is an apocalyptic number.

It is an amenable number.

705956945 is a deficient number, since it is larger than the sum of its proper divisors (141516055).

705956945 is a wasteful number, since it uses less digits than its factorization.

705956945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54115.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The square root of 705956945 is about 26569.8503006697. The cubic root of 705956945 is about 890.4155552145.

The spelling of 705956945 in words is "seven hundred five million, nine hundred fifty-six thousand, nine hundred forty-five".