70868065025520 has 480 divisors, whose sum is σ = 272604616187904. Its totient is φ = 16162343424000.

The previous prime is 70868065025473. The next prime is 70868065025551. The reversal of 70868065025520 is 2552056086807.

70868065025520 is a `hidden beast` number, since 7 + 0 + 8 + 6 + 80 + 6 + 5 + 0 + 2 + 552 + 0 = 666.

It is a super-2 number, since 2×70868065025520² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6394297899 + ... + 6394308981.

Almost surely, 2^{70868065025520} is an apocalyptic number.

70868065025520 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70868065025520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136302308093952).

70868065025520 is an abundant number, since it is smaller than the sum of its proper divisors (201736551162384).

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

70868065025520 is a wasteful number, since it uses less digits than its factorization.

70868065025520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13821 (or 13812 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 70868065025520 in words is "seventy trillion, eight hundred sixty-eight billion, sixty-five million, twenty-five thousand, five hundred twenty".