70538605056 has 200 divisors, whose sum is σ = 219696009984. Its totient is φ = 22490265600.

The previous prime is 70538605051. The next prime is 70538605069. The reversal of 70538605056 is 65050683507.

70538605056 is a `hidden beast` number, since 7 + 0 + 5 + 38 + 605 + 0 + 5 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (70538605051) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 916881 + ... + 990831.

Almost surely, 2^70538605056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70538605056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109848004992).

70538605056 is an abundant number, since it is smaller than the sum of its proper divisors (149157404928).

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

70538605056 is an equidigital number, since it uses as much as digits as its factorization.

70538605056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74004 (or 73979 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 70538605056 in words is "seventy billion, five hundred thirty-eight million, six hundred five thousand, fifty-six".