706478497 has 2 divisors, whose sum is σ = 706478498. Its totient is φ = 706478496.

The previous prime is 706478477. The next prime is 706478527. The reversal of 706478497 is 794874607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633478561 + 72999936 = 25169^2 + 8544^2 .

It is a cyclic number.

It is not a de Polignac number, because 706478497 - 2⁷ = 706478369 is a prime.

It is a super-2 number, since 2×706478497² = 998223733446758018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (706478447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353239248 + 353239249.

It is an arithmetic number, because the mean of its divisors is an integer number (353239249).

Almost surely, 2^706478497 is an apocalyptic number.

It is an amenable number.

706478497 is a deficient number, since it is larger than the sum of its proper divisors (1).

706478497 is an equidigital number, since it uses as much as digits as its factorization.

706478497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 706478497 is about 26579.6632220952. The cubic root of 706478497 is about 890.6347771279.

The spelling of 706478497 in words is "seven hundred six million, four hundred seventy-eight thousand, four hundred ninety-seven".