70564421040 has 80 divisors (see below), whose sum is σ = 224085095136. Its totient is φ = 18358220800.

The previous prime is 70564421033. The next prime is 70564421089. The reversal of 70564421040 is 4012446507.

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

It is a junction number, because it is equal to n+sod(n) for n = 70564420992 and 70564421010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3575751 + ... + 3595430.

Almost surely, 2^70564421040 is an apocalyptic number.

It is an amenable number.

70564421040 is an abundant number, since it is smaller than the sum of its proper divisors (153520674096).

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

70564421040 is a wasteful number, since it uses less digits than its factorization.

70564421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171238 (or 7171232 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 70564421040 its reverse (4012446507), we get a palindrome (74576867547).

The spelling of 70564421040 in words is "seventy billion, five hundred sixty-four million, four hundred twenty-one thousand, forty".