70530573872 has 80 divisors (see below), whose sum is σ = 152723915520. Its totient is φ = 31276627200.

The previous prime is 70530573871. The next prime is 70530573889. The reversal of 70530573872 is 27837503507.

It is not an unprimeable number, because it can be changed into a prime (70530573871) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6949922 + ... + 6960062.

It is an arithmetic number, because the mean of its divisors is an integer number (1909048944).

Almost surely, 2^70530573872 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 70530573872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76361957760).

70530573872 is an abundant number, since it is smaller than the sum of its proper divisors (82193341648).

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

70530573872 is a wasteful number, since it uses less digits than its factorization.

70530573872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11122 (or 11116 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 70530573872 in words is "seventy billion, five hundred thirty million, five hundred seventy-three thousand, eight hundred seventy-two".