70218208 has 12 divisors (see below), whose sum is σ = 138242160. Its totient is φ = 35109088.

The previous prime is 70218179. The next prime is 70218217. The reversal of 70218208 is 80281207.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1097128 + ... + 1097191.

It is an arithmetic number, because the mean of its divisors is an integer number (11520180).

Almost surely, 2^70218208 is an apocalyptic number.

It is an amenable number.

70218208 is a deficient number, since it is larger than the sum of its proper divisors (68023952).

70218208 is a wasteful number, since it uses less digits than its factorization.

70218208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194329 (or 2194321 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 70218208 is about 8379.6305407816. The cubic root of 70218208 is about 412.5563226430.

The spelling of 70218208 in words is "seventy million, two hundred eighteen thousand, two hundred eight".