70280070736 has 80 divisors (see below), whose sum is σ = 149072030208. Its totient is φ = 31953715200.

The previous prime is 70280070733. The next prime is 70280070743. The reversal of 70280070736 is 63707008207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70280070733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5398411 + ... + 5411413.

Almost surely, 2^70280070736 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 70280070736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74536015104).

70280070736 is an abundant number, since it is smaller than the sum of its proper divisors (78791959472).

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

70280070736 is a wasteful number, since it uses less digits than its factorization.

70280070736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13700 (or 13694 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 70280070736 in words is "seventy billion, two hundred eighty million, seventy thousand, seven hundred thirty-six".