70816235520 has 288 divisors, whose sum is σ = 229008124800. Its totient is φ = 18685624320.

The previous prime is 70816235449. The next prime is 70816235533. The reversal of 70816235520 is 2553261807.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 355860381 + ... + 355860579.

It is an arithmetic number, because the mean of its divisors is an integer number (795167100).

Almost surely, 2^70816235520 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 70816235520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114504062400).

70816235520 is an abundant number, since it is smaller than the sum of its proper divisors (158191889280).

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

70816235520 is an equidigital number, since it uses as much as digits as its factorization.

70816235520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 70816235520 in words is "seventy billion, eight hundred sixteen million, two hundred thirty-five thousand, five hundred twenty".