70905358480 has 160 divisors (see below), whose sum is σ = 195568732800. Its totient is φ = 23611023360.

The previous prime is 70905358439. The next prime is 70905358481. The reversal of 70905358480 is 8485350907.

It is a super-2 number, since 2×70905358480² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70905358481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489471 + ... + 617569.

It is an arithmetic number, because the mean of its divisors is an integer number (1222304580).

Almost surely, 2^70905358480 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 70905358480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97784366400).

70905358480 is an abundant number, since it is smaller than the sum of its proper divisors (124663374320).

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

70905358480 is a wasteful number, since it uses less digits than its factorization.

70905358480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128177 (or 128171 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 70905358480 in words is "seventy billion, nine hundred five million, three hundred fifty-eight thousand, four hundred eighty".