70570880 has 64 divisors (see below), whose sum is σ = 174199680. Its totient is φ = 27310080.

The previous prime is 70570853. The next prime is 70570889. The reversal of 70570880 is 8807507.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 70570880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70570889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18062 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (2721870).

Almost surely, 2^70570880 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 70570880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87099840).

70570880 is an abundant number, since it is smaller than the sum of its proper divisors (103628800).

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

70570880 is a wasteful number, since it uses less digits than its factorization.

70570880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 70570880 is about 8400.6475940846. The cubic root of 70570880 is about 413.2458596255.

The spelling of 70570880 in words is "seventy million, five hundred seventy thousand, eight hundred eighty".