70064331380 has 24 divisors (see below), whose sum is σ = 147254866920. Its totient is φ = 28002919040.

The previous prime is 70064331377. The next prime is 70064331397. The reversal of 70064331380 is 8313346007.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48793275664 + 21271055716 = 220892^2 + 145846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70064331380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400651 + ... + 1449810.

It is an arithmetic number, because the mean of its divisors is an integer number (6135619455).

Almost surely, 2^70064331380 is an apocalyptic number.

It is an amenable number.

70064331380 is an abundant number, since it is smaller than the sum of its proper divisors (77190535540).

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

70064331380 is a wasteful number, since it uses less digits than its factorization.

70064331380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851699 (or 2851697 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

Adding to 70064331380 its reverse (8313346007), we get a palindrome (78377677387).

The spelling of 70064331380 in words is "seventy billion, sixty-four million, three hundred thirty-one thousand, three hundred eighty".