70781730096 has 720 divisors, whose sum is σ = 246908196864. Its totient is φ = 17385984000.

The previous prime is 70781730067. The next prime is 70781730133. The reversal of 70781730096 is 69003718707.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 626386936 + ... + 626387048.

Almost surely, 2^70781730096 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 70781730096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123454098432).

70781730096 is an abundant number, since it is smaller than the sum of its proper divisors (176126466768).

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

70781730096 is a wasteful number, since it uses less digits than its factorization.

70781730096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 70781730096 in words is "seventy billion, seven hundred eighty-one million, seven hundred thirty thousand, ninety-six".