70320384 has 108 divisors (see below), whose sum is σ = 211725696. Its totient is φ = 22404096.

The previous prime is 70320379. The next prime is 70320421. The reversal of 70320384 is 48302307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52329 + ... + 53655.

Almost surely, 2^70320384 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 70320384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105862848).

70320384 is an abundant number, since it is smaller than the sum of its proper divisors (141405312).

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

70320384 is a wasteful number, since it uses less digits than its factorization.

70320384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70320384 is about 8385.7250133784. The cubic root of 70320384 is about 412.7563321394.

The spelling of 70320384 in words is "seventy million, three hundred twenty thousand, three hundred eighty-four".