706426505 has 8 divisors (see below), whose sum is σ = 849342024. Its totient is φ = 564054400.

The previous prime is 706426447. The next prime is 706426507. The reversal of 706426505 is 505624607.

It can be written as a sum of positive squares in 4 ways, for example, as 102839881 + 603586624 = 10141^2 + 24568^2 .

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

It is not a de Polignac number, because 706426505 - 2⁸ = 706426249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706426507) 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, 132986 + ... + 138195.

It is an arithmetic number, because the mean of its divisors is an integer number (106167753).

Almost surely, 2^706426505 is an apocalyptic number.

It is an amenable number.

706426505 is a deficient number, since it is larger than the sum of its proper divisors (142915519).

706426505 is a wasteful number, since it uses less digits than its factorization.

706426505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271707.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 706426505 is about 26578.6851631152. The cubic root of 706426505 is about 890.6129283764.

The spelling of 706426505 in words is "seven hundred six million, four hundred twenty-six thousand, five hundred five".