70606795756225 has 9 divisors (see below), whose sum is σ = 87552478835017. Its totient is φ = 56485402993840.

The previous prime is 70606795756207. The next prime is 70606795756291. The reversal of 70606795756225 is 52265759760607.

The square root of 70606795756225 is 8402785.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 42573837168769 + 28032958587456 = 6524863^2 + 5294616^2 .

It is not a de Polignac number, because 70606795756225 - 2¹³ = 70606795748033 is a prime.

It is a super-2 number, since 2×70606795756225² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 41173647 + ... + 42854203.

Almost surely, 2^{70606795756225} is an apocalyptic number.

70606795756225 is the 8402785-th square number.

70606795756225 is the 4201393-rd centered octagonal number.

It is an amenable number.

70606795756225 is a deficient number, since it is larger than the sum of its proper divisors (16945683078792).

70606795756225 is an frugal number, since it uses more digits than its factorization.

70606795756225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361124 (or 1680562 counting only the distinct ones).

The product of its (nonzero) digits is 333396000, while the sum is 67.

The spelling of 70606795756225 in words is "seventy trillion, six hundred six billion, seven hundred ninety-five million, seven hundred fifty-six thousand, two hundred twenty-five".