70670449824 has 384 divisors, whose sum is σ = 210040750080. Its totient is φ = 20666880000.

The previous prime is 70670449813. The next prime is 70670449847. The reversal of 70670449824 is 42894407607.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 468016149 + ... + 468016299.

It is an arithmetic number, because the mean of its divisors is an integer number (546981120).

Almost surely, 2^70670449824 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 70670449824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105020375040).

70670449824 is an abundant number, since it is smaller than the sum of its proper divisors (139370300256).

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

70670449824 is a wasteful number, since it uses less digits than its factorization.

70670449824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 70670449824 in words is "seventy billion, six hundred seventy million, four hundred forty-nine thousand, eight hundred twenty-four".