70024368520 has 96 divisors (see below), whose sum is σ = 166939493400. Its totient is φ = 26430898176.

The previous prime is 70024368499. The next prime is 70024368523. The reversal of 70024368520 is 2586342007.

It can be written as a sum of positive squares in 4 ways, for example, as 67617681156 + 2406687364 = 260034^2 + 49058^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70024368520.

It is not an unprimeable number, because it can be changed into a prime (70024368523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3701646 + ... + 3720514.

Almost surely, 2^70024368520 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 70024368520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83469746700).

70024368520 is an abundant number, since it is smaller than the sum of its proper divisors (96915124880).

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

70024368520 is a wasteful number, since it uses less digits than its factorization.

70024368520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19175 (or 19152 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 70024368520 in words is "seventy billion, twenty-four million, three hundred sixty-eight thousand, five hundred twenty".