70328218 has 8 divisors (see below), whose sum is σ = 111697812. Its totient is φ = 33095616.

The previous prime is 70328213. The next prime is 70328233. The reversal of 70328218 is 81282307.

It can be written as a sum of positive squares in 2 ways, for example, as 69505569 + 822649 = 8337^2 + 907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70328218.

It is not an unprimeable number, because it can be changed into a prime (70328213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034205 + ... + 1034272.

Almost surely, 2^70328218 is an apocalyptic number.

70328218 is a deficient number, since it is larger than the sum of its proper divisors (41369594).

70328218 is a wasteful number, since it uses less digits than its factorization.

70328218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068496.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 70328218 is about 8386.1921036904. The cubic root of 70328218 is about 412.7716591937.

The spelling of 70328218 in words is "seventy million, three hundred twenty-eight thousand, two hundred eighteen".