70111710720 has 240 divisors, whose sum is σ = 246936895920. Its totient is φ = 18379210752.

The previous prime is 70111710719. The next prime is 70111710787. The reversal of 70111710720 is 2701711107.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1333572 + ... + 1385148.

It is an arithmetic number, because the mean of its divisors is an integer number (1028903733).

Almost surely, 2^70111710720 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 70111710720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123468447960).

70111710720 is an abundant number, since it is smaller than the sum of its proper divisors (176825185200).

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

70111710720 is a wasteful number, since it uses less digits than its factorization.

70111710720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51665 (or 51646 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 27.

It can be divided in two parts, 7011 and 1710720, that added together give a triangular number (1717731 = T₁₈₅₃).

The spelling of 70111710720 in words is "seventy billion, one hundred eleven million, seven hundred ten thousand, seven hundred twenty".