70910667280 has 80 divisors (see below), whose sum is σ = 170266673664. Its totient is φ = 27436216320.

The previous prime is 70910667221. The next prime is 70910667283. The reversal of 70910667280 is 8276601907.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 70910667280.

It is not an unprimeable number, because it can be changed into a prime (70910667283) 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, 6425127 + ... + 6436153.

Almost surely, 2^70910667280 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 70910667280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85133336832).

70910667280 is an abundant number, since it is smaller than the sum of its proper divisors (99356006384).

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

70910667280 is a wasteful number, since it uses less digits than its factorization.

70910667280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13664 (or 13658 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 70910667280 in words is "seventy billion, nine hundred ten million, six hundred sixty-seven thousand, two hundred eighty".