70205227868736 has 147 divisors (see below), whose sum is σ = 208880082237603. Its totient is φ = 23401139345280.

The previous prime is 70205227868731. The next prime is 70205227868747. The reversal of 70205227868736 is 63786872250207.

The square root of 70205227868736 is 8378856.

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

70205227868736 is a `hidden beast` number, since 7 + 0 + 2 + 0 + 522 + 78 + 6 + 8 + 7 + 36 = 666.

It is a super-2 number, since 2×70205227868736² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70205227868731) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1809813501 + ... + 1809852291.

Almost surely, 2^{70205227868736} is an apocalyptic number.

70205227868736 is the 8378856-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70205227868736

70205227868736 is an abundant number, since it is smaller than the sum of its proper divisors (138674854368867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70205227868736 is an frugal number, since it uses more digits than its factorization.

70205227868736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77612 (or 38796 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 70205227868736 in words is "seventy trillion, two hundred five billion, two hundred twenty-seven million, eight hundred sixty-eight thousand, seven hundred thirty-six".