706611505 has 12 divisors (see below), whose sum is σ = 851038812. Its totient is φ = 563225600.

The previous prime is 706611481. The next prime is 706611509. The reversal of 706611505 is 505116607.

It can be written as a sum of positive squares in 6 ways, for example, as 41177889 + 665433616 = 6417^2 + 25796^2 .

It is not a de Polignac number, because 706611505 - 2²¹ = 704514353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706611509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007655 + ... + 1008355.

It is an arithmetic number, because the mean of its divisors is an integer number (70919901).

Almost surely, 2^706611505 is an apocalyptic number.

It is an amenable number.

706611505 is a deficient number, since it is larger than the sum of its proper divisors (144427307).

706611505 is an frugal number, since it uses more digits than its factorization.

706611505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 706611505 is about 26582.1651676458. The cubic root of 706611505 is about 890.6906665935.

The spelling of 706611505 in words is "seven hundred six million, six hundred eleven thousand, five hundred five".