70671070782 has 128 divisors (see below), whose sum is σ = 173487283200. Its totient is φ = 21186893952.

The previous prime is 70671070777. The next prime is 70671070793. The reversal of 70671070782 is 28707017607.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13248988 + ... + 13254320.

It is an arithmetic number, because the mean of its divisors is an integer number (1355369400).

Almost surely, 2^70671070782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70671070782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86743641600).

70671070782 is an abundant number, since it is smaller than the sum of its proper divisors (102816212418).

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

70671070782 is a wasteful number, since it uses less digits than its factorization.

70671070782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 45.

The spelling of 70671070782 in words is "seventy billion, six hundred seventy-one million, seventy thousand, seven hundred eighty-two".