70838384618 has 32 divisors (see below), whose sum is σ = 111538944000. Its totient is φ = 33677438256.

The previous prime is 70838384587. The next prime is 70838384623. The reversal of 70838384618 is 81648383807.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11924693 + ... + 11930631.

It is an arithmetic number, because the mean of its divisors is an integer number (3485592000).

Almost surely, 2^70838384618 is an apocalyptic number.

70838384618 is a deficient number, since it is larger than the sum of its proper divisors (40700559382).

70838384618 is a wasteful number, since it uses less digits than its factorization.

70838384618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 70838384618 in words is "seventy billion, eight hundred thirty-eight million, three hundred eighty-four thousand, six hundred eighteen".