70573890816 has 432 divisors, whose sum is σ = 247080845760. Its totient is φ = 19737907200.

The previous prime is 70573890809. The next prime is 70573890841. The reversal of 70573890816 is 61809837507.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10869331 + ... + 10875821.

Almost surely, 2^70573890816 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 70573890816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123540422880).

70573890816 is an abundant number, since it is smaller than the sum of its proper divisors (176506954944).

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

70573890816 is a wasteful number, since it uses less digits than its factorization.

70573890816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 70573890816 in words is "seventy billion, five hundred seventy-three million, eight hundred ninety thousand, eight hundred sixteen".