70706620320 has 768 divisors, whose sum is σ = 282537787392. Its totient is φ = 14491975680.

The previous prime is 70706620279. The next prime is 70706620333. The reversal of 70706620320 is 2302660707.

It is a super-3 number, since 3×70706620320³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 129262287 + ... + 129262833.

It is an arithmetic number, because the mean of its divisors is an integer number (367887744).

Almost surely, 2^70706620320 is an apocalyptic number.

70706620320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70706620320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141268893696).

70706620320 is an abundant number, since it is smaller than the sum of its proper divisors (211831167072).

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

70706620320 is a wasteful number, since it uses less digits than its factorization.

70706620320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The spelling of 70706620320 in words is "seventy billion, seven hundred six million, six hundred twenty thousand, three hundred twenty".