70641175808 has 144 divisors (see below), whose sum is σ = 163066853376. Its totient is φ = 29917102080.

The previous prime is 70641175807. The next prime is 70641175819. The reversal of 70641175808 is 80857114607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70641175807) 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, 59212460 + ... + 59213652.

It is an arithmetic number, because the mean of its divisors is an integer number (1132408704).

Almost surely, 2^70641175808 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 70641175808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81533426688).

70641175808 is an abundant number, since it is smaller than the sum of its proper divisors (92425677568).

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

70641175808 is a wasteful number, since it uses less digits than its factorization.

70641175808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 70641175808 in words is "seventy billion, six hundred forty-one million, one hundred seventy-five thousand, eight hundred eight".