70310225 has 12 divisors (see below), whose sum is σ = 87291660. Its totient is φ = 56179200.

The previous prime is 70310209. The next prime is 70310243. The reversal of 70310225 is 52201307.

It can be written as a sum of positive squares in 6 ways, for example, as 18769 + 70291456 = 137^2 + 8384^2 .

It is not a de Polignac number, because 70310225 - 2⁴ = 70310209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70310197 and 70310206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31961 + ... + 34089.

It is an arithmetic number, because the mean of its divisors is an integer number (7274305).

Almost surely, 2^70310225 is an apocalyptic number.

It is an amenable number.

70310225 is a deficient number, since it is larger than the sum of its proper divisors (16981435).

70310225 is a wasteful number, since it uses less digits than its factorization.

70310225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460 (or 3455 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70310225 is about 8385.1192597363. The cubic root of 70310225 is about 412.7364545767.

The spelling of 70310225 in words is "seventy million, three hundred ten thousand, two hundred twenty-five".