70724715208 has 64 divisors (see below), whose sum is σ = 159731510400. Its totient is φ = 28678924800.

The previous prime is 70724715163. The next prime is 70724715211. The reversal of 70724715208 is 80251742707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806308 + ... + 889708.

It is an arithmetic number, because the mean of its divisors is an integer number (2495804850).

Almost surely, 2^70724715208 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 70724715208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79865755200).

70724715208 is an abundant number, since it is smaller than the sum of its proper divisors (89006795192).

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

70724715208 is a wasteful number, since it uses less digits than its factorization.

70724715208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84230 (or 84226 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 43.

The spelling of 70724715208 in words is "seventy billion, seven hundred twenty-four million, seven hundred fifteen thousand, two hundred eight".