705627841 has 2 divisors, whose sum is σ = 705627842. Its totient is φ = 705627840.

The previous prime is 705627827. The next prime is 705627869. The reversal of 705627841 is 148726507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472149441 + 233478400 = 21729^2 + 15280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705627841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 705627794 and 705627803.

It is not a weakly prime, because it can be changed into another prime (705627821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352813920 + 352813921.

It is an arithmetic number, because the mean of its divisors is an integer number (352813921).

Almost surely, 2^705627841 is an apocalyptic number.

It is an amenable number.

705627841 is a deficient number, since it is larger than the sum of its proper divisors (1).

705627841 is an equidigital number, since it uses as much as digits as its factorization.

705627841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 705627841 is about 26563.6563936518. The cubic root of 705627841 is about 890.2771686499.

The spelling of 705627841 in words is "seven hundred five million, six hundred twenty-seven thousand, eight hundred forty-one".