70950313225 has 81 divisors (see below), whose sum is σ = 100756418581. Its totient is φ = 49522580800.

The previous prime is 70950313223. The next prime is 70950313271. The reversal of 70950313225 is 52231305907.

The square root of 70950313225 is 266365.

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 975250441 + 69975062784 = 31229^2 + 264528^2 .

It is not a de Polignac number, because 70950313225 - 2¹ = 70950313223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70950313223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 424852092 + ... + 424852258.

Almost surely, 2^70950313225 is an apocalyptic number.

70950313225 is the 266365-th square number.

70950313225 is the 133183-rd centered octagonal number.

It is an amenable number.

70950313225 is a deficient number, since it is larger than the sum of its proper divisors (29806105356).

70950313225 is a wasteful number, since it uses less digits than its factorization.

70950313225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The spelling of 70950313225 in words is "seventy billion, nine hundred fifty million, three hundred thirteen thousand, two hundred twenty-five".