70089984 has 108 divisors (see below), whose sum is σ = 209254500. Its totient is φ = 22536192.

The previous prime is 70089967. The next prime is 70090003. The reversal of 70089984 is 48998007.

It can be written as a sum of positive squares in 2 ways, for example, as 51840000 + 18249984 = 7200^2 + 4272^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 66292 + ... + 67340.

Almost surely, 2^70089984 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 70089984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104627250).

70089984 is an abundant number, since it is smaller than the sum of its proper divisors (139164516).

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

70089984 is a wasteful number, since it uses less digits than its factorization.

70089984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 70089984 is about 8371.9761108116. The cubic root of 70089984 is about 412.3050494773.

The spelling of 70089984 in words is "seventy million, eighty-nine thousand, nine hundred eighty-four".