70126984225 has 9 divisors (see below), whose sum is σ = 86959102323. Its totient is φ = 56100528120.

The previous prime is 70126984219. The next prime is 70126984229. The reversal of 70126984225 is 52248962107.

The square root of 70126984225 is 264815.

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

It can be written as a sum of positive squares in only one way, i.e., 25245714321 + 44881269904 = 158889^2 + 211852^2 .

It is not a de Polignac number, because 70126984225 - 2³¹ = 67979500577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70126984229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1297594 + ... + 1350556.

Almost surely, 2^70126984225 is an apocalyptic number.

70126984225 is the 264815-th square number.

70126984225 is the 132408-th centered octagonal number.

It is an amenable number.

70126984225 is a deficient number, since it is larger than the sum of its proper divisors (16832118098).

70126984225 is an frugal number, since it uses more digits than its factorization.

70126984225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105936 (or 52968 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 70126984225 in words is "seventy billion, one hundred twenty-six million, nine hundred eighty-four thousand, two hundred twenty-five".