70328960 has 128 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 25399296.

The previous prime is 70328959. The next prime is 70329001. The reversal of 70328960 is 6982307.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×70328960² = 9892325229363200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70328960.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657227 + ... + 657333.

It is an arithmetic number, because the mean of its divisors is an integer number (1445850).

Almost surely, 2^70328960 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 70328960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

70328960 is an abundant number, since it is smaller than the sum of its proper divisors (114739840).

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

70328960 is a wasteful number, since it uses less digits than its factorization.

70328960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 70328960 is about 8386.2363429610. The cubic root of 70328960 is about 412.7731108419.

The spelling of 70328960 in words is "seventy million, three hundred twenty-eight thousand, nine hundred sixty".