70441218 has 32 divisors (see below), whose sum is σ = 157422720. Its totient is φ = 23347440.

The previous prime is 70441199. The next prime is 70441223. The reversal of 70441218 is 81214407.

70441218 is a `hidden beast` number, since 7 + 0 + 441 + 218 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70441191 and 70441200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6171 + ... + 13377.

It is an arithmetic number, because the mean of its divisors is an integer number (4919460).

Almost surely, 2^70441218 is an apocalyptic number.

70441218 is an abundant number, since it is smaller than the sum of its proper divisors (86981502).

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

70441218 is a wasteful number, since it uses less digits than its factorization.

70441218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7399 (or 7393 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 70441218 is about 8392.9266647577. The cubic root of 70441218 is about 412.9926147823.

The spelling of 70441218 in words is "seventy million, four hundred forty-one thousand, two hundred eighteen".