706404437 has 2 divisors, whose sum is σ = 706404438. Its totient is φ = 706404436.

The previous prime is 706404421. The next prime is 706404449. The reversal of 706404437 is 734404607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 703257361 + 3147076 = 26519^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 706404437 - 2⁴ = 706404421 is a prime.

It is a super-2 number, since 2×706404437² = 998014457226573938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 706404397 and 706404406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706404487) 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 as a sum of consecutive naturals, namely, 353202218 + 353202219.

It is an arithmetic number, because the mean of its divisors is an integer number (353202219).

Almost surely, 2^706404437 is an apocalyptic number.

It is an amenable number.

706404437 is a deficient number, since it is larger than the sum of its proper divisors (1).

706404437 is an equidigital number, since it uses as much as digits as its factorization.

706404437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 706404437 is about 26578.2700151835. The cubic root of 706404437 is about 890.6036543517.

The spelling of 706404437 in words is "seven hundred six million, four hundred four thousand, four hundred thirty-seven".