70660671984 has 720 divisors, whose sum is σ = 254751194880. Its totient is φ = 17847889920.

The previous prime is 70660671941. The next prime is 70660672007. The reversal of 70660671984 is 48917606607.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70660671984.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 660380059 + ... + 660380165.

It is an arithmetic number, because the mean of its divisors is an integer number (353821104).

Almost surely, 2^70660671984 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 70660671984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127375597440).

70660671984 is an abundant number, since it is smaller than the sum of its proper divisors (184090522896).

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

70660671984 is a wasteful number, since it uses less digits than its factorization.

70660671984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 70660671984 in words is "seventy billion, six hundred sixty million, six hundred seventy-one thousand, nine hundred eighty-four".