70089280 has 112 divisors (see below), whose sum is σ = 177759360. Its totient is φ = 26267648.

The previous prime is 70089247. The next prime is 70089281. The reversal of 70089280 is 8298007.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70089281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654987 + ... + 655093.

Almost surely, 2^70089280 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 70089280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88879680).

70089280 is an abundant number, since it is smaller than the sum of its proper divisors (107670080).

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

70089280 is a wasteful number, since it uses less digits than its factorization.

70089280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 70089280 is about 8371.9340656744. The cubic root of 70089280 is about 412.3036690436.

The spelling of 70089280 in words is "seventy million, eighty-nine thousand, two hundred eighty".